295 lines
8.7 KiB
C
295 lines
8.7 KiB
C
/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1982, 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah Hdr: rdreg.h 1.2 90/10/12
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* from: @(#)rdreg.h 7.3 (Berkeley) 2/25/91
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* $Id: rdreg.h,v 1.3 1993/08/01 19:24:29 mycroft Exp $
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*/
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struct rd_iocmd {
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char c_pad;
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char c_unit;
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char c_volume;
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char c_saddr;
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short c_hiaddr;
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long c_addr;
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char c_nop2;
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char c_slen;
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long c_len;
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char c_cmd;
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char c_pad2;
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};
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struct rd_rscmd {
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char c_unit;
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char c_sram;
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char c_ram;
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char c_cmd;
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};
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struct rd_stat {
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char c_vu;
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char c_pend;
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short c_ref;
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short c_fef;
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short c_aef;
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short c_ief;
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union {
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char cu_raw[10];
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struct {
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short cu_msw;
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long cu_lsl;
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} cu_sva;
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struct {
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long cu_cyhd;
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short cu_sect;
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} cu_tva;
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} c_pf;
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};
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#define c_raw c_pf.cu_raw
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#define c_blk c_pf.cu_sva.cu_lsl /* for now */
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#define c_tva c_pf.cu_tva
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struct rd_ssmcmd {
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char c_unit;
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char c_cmd;
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short c_refm;
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short c_fefm;
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short c_aefm;
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short c_iefm;
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};
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struct rd_srcmd {
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char c_unit;
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char c_nop;
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char c_cmd;
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char c_param;
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};
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struct rd_clearcmd {
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char c_unit;
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char c_cmd;
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};
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struct rd_describe {
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u_int d_iuw:16, /* controller: installed unit word */
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d_cmaxxfr:16, /* controller: max transfer rate (Kb) */
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d_ctype:8, /* controller: controller type */
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d_utype:8, /* unit: unit type */
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d_name:24, /* unit: name (6 BCD digits) */
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d_sectsize:16, /* unit: # of bytes per block (sector) */
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d_blkbuf:8, /* unit: # of blocks which can be buffered */
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d_burstsize:8, /* unit: recommended burst size */
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d_blocktime:16, /* unit: block time (u-sec) */
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d_uavexfr:16, /* unit: average transfer rate (Kb) */
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d_retry:16, /* unit: optimal retry time (1/100-sec) */
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d_access:16, /* unit: access time param (1/100-sec) */
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d_maxint:8, /* unit: maximum interleave */
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d_fvbyte:8, /* unit: fixed volume byte */
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d_rvbyte:8, /* unit: removeable volume byte */
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d_maxcyl:24, /* volume: maximum cylinder */
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d_maxhead:8, /* volume: maximum head */
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d_maxsect:16, /* volume: maximum sector on track */
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d_maxvsecth:16, /* volume: maximum sector on volume (MSW) */
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d_maxvsectl:32, /* volume: maximum sector on volume (LSWs) */
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d_interleave:8; /* volume: current interleave */
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};
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/* indicies into rdinfo -- order is arbitrary */
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#define RD7945A 0
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#define RD9134D 1
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#define RD9122S 2
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#define RD7912P 3
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#define RD7914P 4
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#define RD7958A 5
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#define RD7957A 6
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#define RD7933H 7
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#define RD9134L 8
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#define RD7936H 9
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#define RD7937H 10
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#define RD7914CT 11
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#define RD7946A 12
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#define RD9122D 13
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#define RD7957B 14
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#define RD7958B 15
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#define RD7959B 16
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/* HW ids */
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#define RD7946AID 0x220 /* also 7945A */
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#define RD9134DID 0x221 /* also 9122S */
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#define RD9134LID 0x222 /* also 9122D */
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#define RD7912PID 0x209
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#define RD7914CTID 0x20A
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#define RD7914PID 0x20B
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#define RD7958AID 0x22B
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#define RD7957AID 0x22A
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#define RD7933HID 0x212
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#define RD7936HID 0x213 /* just guessing -- as of yet unknown */
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#define RD7937HID 0x214
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#define RD7957BID 0x22C /* another guess based on 7958B */
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#define RD7958BID 0x22D
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#define RD7959BID 0x22E /* another guess based on 7958B */
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#define RD2200AID 0x22F
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#define RD2203AID 0x230 /* yet another guess */
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#define NRD7945ABPT (32 >> (DEV_BSHIFT-8))
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#define NRD7945ATRK 7
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#define NRD9134DBPT (32 >> (DEV_BSHIFT-8))
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#define NRD9134DTRK 6
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#define NRD9122SBPT (16 >> (DEV_BSHIFT-8))
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#define NRD9122STRK 2
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#define NRD7912PBPT (64 >> (DEV_BSHIFT-8))
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#define NRD7912PTRK 7
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#define NRD7914PBPT (64 >> (DEV_BSHIFT-8))
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#define NRD7914PTRK 7
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#define NRD7933HBPT (92 >> (DEV_BSHIFT-8))
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#define NRD7933HTRK 13
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#define NRD9134LBPT (32 >> (DEV_BSHIFT-8))
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#define NRD9134LTRK 5
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/*
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* Several HP drives have an odd number of 256 byte sectors per track.
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* This makes it rather difficult to break them into 512 and 1024 byte blocks.
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* So...we just do like HPUX and don't bother to respect hardware track/head
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* boundries -- we just mold the disk so that we use the entire capacity.
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* HPUX also sometimes doen't abide by cylinder boundries, we attempt to
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* whenever possible.
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*
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* DISK REAL (256 BPS) HPUX (1024 BPS) BSD (512 BPS)
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* SPT x HD x CYL SPT x HD x CYL SPT x HD x CYL
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* ----- --------------- --------------- --------------
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* 7936: 123 x 7 x 1396 25 x 7 x 1716 123 x 7 x 698
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* 7937: 123 x 13 x 1396 25 x 16 x 1395 123 x 13 x 698
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*
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* 7957A: 63 x 5 x 1013 11 x 7 x 1036 22 x 7 x 1036
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* 7958A: 63 x 8 x 1013 21 x 6 x 1013 36 x 7 x 1013
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*
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* 7957B: 63 x 4 x 1269 9 x 7 x 1269 18 x 7 x 1269
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* 7958B: 63 x 6 x 1572 21 x 9 x 786 42 x 9 x 786
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* 7959B: 63 x 12 x 1572 21 x 9 x 1572 42 x 9 x 1572
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*
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* 2200A: 113 x 8 x 1449 113 x 2 x 1449 113 x 4 x 1449
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* 2203A: 113 x 16 x 1449 113 x 4 x 1449 113 x 8 x 1449
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*/
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#if DEV_BSIZE == 512
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# define NRD7936HBPT 123
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# define NRD7936HTRK 7
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# define NRD7937HBPT 123
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# define NRD7937HTRK 13
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# define NRD7957ABPT 22
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# define NRD7957ATRK 7
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# define NRD7958ABPT 36
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# define NRD7958ATRK 7
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# define NRD7957BBPT 18
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# define NRD7957BTRK 7
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# define NRD7958BBPT 42
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# define NRD7958BTRK 9
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# define NRD7959BBPT 42
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# define NRD7959BTRK 9
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# define NRD2200ABPT 113
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# define NRD2200ATRK 4
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# define NRD2203ABPT 113
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# define NRD2203ATRK 8
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#endif
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#if DEV_BSIZE == 1024
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# define NRD7957ABPT 11
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# define NRD7957ATRK 7
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# define NRD7958ABPT 21
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# define NRD7958ATRK 6
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# define NRD7957BBPT 9
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# define NRD7957BTRK 7
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# define NRD7958BBPT 21
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# define NRD7958BTRK 9
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# define NRD7959BBPT 21
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# define NRD7959BTRK 9
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# define NRD2200ABPT 113
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# define NRD2200ATRK 2
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# define NRD2203ABPT 113
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# define NRD2203ATRK 4
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#endif
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/* controller "unit" number */
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#define RDCTLR 15
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/* convert 512 byte count into DEV_BSIZE count */
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#define RDSZ(x) ((x) >> (DEV_BSHIFT-9))
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/* convert block number into sector number and back */
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#define RDBTOS(x) ((x) << (DEV_BSHIFT-8))
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#define RDSTOB(x) ((x) >> (DEV_BSHIFT-8))
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/* extract cyl/head/sect info from three-vector address */
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#define RDCYL(tva) ((u_long)(tva).cu_cyhd >> 8)
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#define RDHEAD(tva) ((tva).cu_cyhd & 0xFF)
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#define RDSECT(tva) ((tva).cu_sect)
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#define REF_MASK 0x0
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#define FEF_MASK 0x0
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#define AEF_MASK 0x0
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#define IEF_MASK 0xF970
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#define FEF_CU 0x4000 /* cross-unit */
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#define FEF_DR 0x0080 /* diagnostic result */
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#define FEF_IMR 0x0008 /* internal maintenance release */
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#define FEF_PF 0x0002 /* power fail */
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#define FEF_REXMT 0x0001 /* retransmit */
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#define AEF_UD 0x0040 /* unrecoverable data */
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#define IEF_RRMASK 0xe000 /* request release bits */
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#define IEF_MD 0x0020 /* marginal data */
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#define IEF_RD 0x0010 /* recoverable data */
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#define C_READ 0x00
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#define C_RAM 0x00 /* single vector (i.e. sector number) */
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#define C_WRITE 0x02
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#define C_CLEAR 0x08
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#define C_STATUS 0x0d
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#define C_SADDR 0x10
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#define C_SLEN 0x18
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#define C_SUNIT(x) (0x20 | (x))
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#define C_SVOL(x) (0x40 | (x))
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#define C_NOP 0x34
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#define C_DESC 0x35
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#define C_SREL 0x3b
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#define C_SSM 0x3e
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#define C_SRAM 0x48
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#define C_REL 0x140
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#define C_CMD 0x05
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#define C_EXEC 0x0e
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#define C_QSTAT 0x10
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#define C_TCMD 0x12
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