4.4BSD/usr/src/sys/hp300/stand/rd.c
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: rd.c 1.20 92/12/21$
*
* @(#)rd.c 8.1 (Berkeley) 7/15/93
*/
/*
* CS80/SS80 disk driver
*/
#include <sys/param.h>
#include <sys/disklabel.h>
#include <stand.att/saio.h>
#include <hp300/stand/samachdep.h>
#include <hp300/dev/rdreg.h>
struct rd_iocmd rd_ioc;
struct rd_rscmd rd_rsc;
struct rd_stat rd_stat;
struct rd_ssmcmd rd_ssmc;
struct disklabel rdlabel;
struct rdminilabel {
u_short npart;
u_long offset[MAXPARTITIONS];
};
struct rd_softc {
char sc_retry;
char sc_alive;
short sc_type;
struct rdminilabel sc_pinfo;
} rd_softc[NHPIB][NRD];
#define RDRETRY 5
struct rdidentinfo {
short ri_hwid;
short ri_maxunum;
int ri_nblocks;
} rdidentinfo[] = {
{ RD7946AID, 0, 108416 },
{ RD9134DID, 1, 29088 },
{ RD9134LID, 1, 1232 },
{ RD7912PID, 0, 128128 },
{ RD7914PID, 0, 258048 },
{ RD7958AID, 0, 255276 },
{ RD7957AID, 0, 159544 },
{ RD7933HID, 0, 789958 },
{ RD9134LID, 1, 77840 },
{ RD7936HID, 0, 600978 },
{ RD7937HID, 0, 1116102 },
{ RD7914CTID, 0, 258048 },
{ RD7946AID, 0, 108416 },
{ RD9134LID, 1, 1232 },
{ RD7957BID, 0, 159894 },
{ RD7958BID, 0, 297108 },
{ RD7959BID, 0, 594216 },
{ RD2200AID, 0, 654948 },
{ RD2203AID, 0, 1309896 }
};
int numrdidentinfo = sizeof(rdidentinfo) / sizeof(rdidentinfo[0]);
rdinit(ctlr, unit)
int ctlr, unit;
{
register struct rd_softc *rs = &rd_softc[ctlr][unit];
u_char stat;
rs->sc_type = rdident(ctlr, unit);
if (rs->sc_type < 0)
return (0);
rs->sc_alive = 1;
return (1);
}
rdreset(ctlr, unit)
register int ctlr, unit;
{
u_char stat;
rd_ssmc.c_unit = C_SUNIT(0);
rd_ssmc.c_cmd = C_SSM;
rd_ssmc.c_refm = REF_MASK;
rd_ssmc.c_fefm = FEF_MASK;
rd_ssmc.c_aefm = AEF_MASK;
rd_ssmc.c_iefm = IEF_MASK;
hpibsend(ctlr, unit, C_CMD, &rd_ssmc, sizeof(rd_ssmc));
hpibswait(ctlr, unit);
hpibrecv(ctlr, unit, C_QSTAT, &stat, 1);
}
rdident(ctlr, unit)
register int ctlr, unit;
{
struct rd_describe desc;
u_char stat, cmd[3];
char name[7];
register int id, i;
id = hpibid(ctlr, unit);
if ((id & 0x200) == 0)
return(-1);
for (i = 0; i < numrdidentinfo; i++)
if (id == rdidentinfo[i].ri_hwid)
break;
if (i == numrdidentinfo)
return(-1);
id = i;
rdreset(ctlr, unit);
cmd[0] = C_SUNIT(0);
cmd[1] = C_SVOL(0);
cmd[2] = C_DESC;
hpibsend(ctlr, unit, C_CMD, cmd, sizeof(cmd));
hpibrecv(ctlr, unit, C_EXEC, &desc, 37);
hpibrecv(ctlr, unit, C_QSTAT, &stat, sizeof(stat));
bzero(name, sizeof(name));
if (!stat) {
register int n = desc.d_name;
for (i = 5; i >= 0; i--) {
name[i] = (n & 0xf) + '0';
n >>= 4;
}
}
/*
* Take care of a couple of anomolies:
* 1. 7945A and 7946A both return same HW id
* 2. 9122S and 9134D both return same HW id
* 3. 9122D and 9134L both return same HW id
*/
switch (rdidentinfo[id].ri_hwid) {
case RD7946AID:
if (bcmp(name, "079450", 6) == 0)
id = RD7945A;
else
id = RD7946A;
break;
case RD9134LID:
if (bcmp(name, "091340", 6) == 0)
id = RD9134L;
else
id = RD9122D;
break;
case RD9134DID:
if (bcmp(name, "091220", 6) == 0)
id = RD9122S;
else
id = RD9134D;
break;
}
return(id);
}
#ifdef COMPAT_NOLABEL
int rdcyloff[][8] = {
{ 1, 143, 0, 143, 0, 0, 323, 503, }, /* 7945A */
{ 1, 167, 0, 0, 0, 0, 0, 0, }, /* 9134D */
{ 0, 0, 0, 0, 0, 0, 0, 0, }, /* 9122S */
{ 0, 71, 0, 221, 292, 542, 221, 0, }, /* 7912P */
{ 1, 72, 0, 72, 362, 802, 252, 362, }, /* 7914P */
{ 1, 28, 0, 140, 167, 444, 140, 721, }, /* 7933H */
{ 1, 200, 0, 200, 0, 0, 450, 600, }, /* 9134L */
{ 1, 105, 0, 105, 380, 736, 265, 380, }, /* 7957A */
{ 1, 65, 0, 65, 257, 657, 193, 257, }, /* 7958A */
{ 1, 128, 0, 128, 518, 918, 388, 518, }, /* 7957B */
{ 1, 44, 0, 44, 174, 496, 131, 174, }, /* 7958B */
{ 1, 44, 0, 44, 218, 1022,174, 218, }, /* 7959B */
{ 1, 37, 0, 37, 183, 857, 147, 183, }, /* 2200A */
{ 1, 19, 0, 94, 112, 450, 94, 788, }, /* 2203A */
{ 1, 20, 0, 98, 117, 256, 98, 397, }, /* 7936H */
{ 1, 11, 0, 53, 63, 217, 53, 371, }, /* 7937H */
};
struct rdcompatinfo {
int nbpc;
int *cyloff;
} rdcompatinfo[] = {
NRD7945ABPT*NRD7945ATRK, rdcyloff[0],
NRD9134DBPT*NRD9134DTRK, rdcyloff[1],
NRD9122SBPT*NRD9122STRK, rdcyloff[2],
NRD7912PBPT*NRD7912PTRK, rdcyloff[3],
NRD7914PBPT*NRD7914PTRK, rdcyloff[4],
NRD7958ABPT*NRD7958ATRK, rdcyloff[8],
NRD7957ABPT*NRD7957ATRK, rdcyloff[7],
NRD7933HBPT*NRD7933HTRK, rdcyloff[5],
NRD9134LBPT*NRD9134LTRK, rdcyloff[6],
NRD7936HBPT*NRD7936HTRK, rdcyloff[14],
NRD7937HBPT*NRD7937HTRK, rdcyloff[15],
NRD7914PBPT*NRD7914PTRK, rdcyloff[4],
NRD7945ABPT*NRD7945ATRK, rdcyloff[0],
NRD9122SBPT*NRD9122STRK, rdcyloff[2],
NRD7957BBPT*NRD7957BTRK, rdcyloff[9],
NRD7958BBPT*NRD7958BTRK, rdcyloff[10],
NRD7959BBPT*NRD7959BTRK, rdcyloff[11],
NRD2200ABPT*NRD2200ATRK, rdcyloff[12],
NRD2203ABPT*NRD2203ATRK, rdcyloff[13],
};
int nrdcompatinfo = sizeof(rdcompatinfo) / sizeof(rdcompatinfo[0]);
#endif
rdgetinfo(io)
register struct iob *io;
{
struct rd_softc *rs = &rd_softc[io->i_adapt][io->i_ctlr];
register struct rdminilabel *pi = &rs->sc_pinfo;
register struct disklabel *lp = &rdlabel;
char *msg, *readdisklabel();
int rdstrategy(), i;
bzero((caddr_t)lp, sizeof *lp);
lp->d_secsize = DEV_BSIZE;
msg = readdisklabel(io, rdstrategy, lp);
if (msg) {
printf("rd(%d,%d,%d,%d): WARNING: %s, ",
io->i_adapt, io->i_ctlr, io->i_unit, io->i_part, msg);
#ifdef COMPAT_NOLABEL
{
register struct rdcompatinfo *ci;
printf("using old default partitioning\n");
ci = &rdcompatinfo[rs->sc_type];
pi->npart = 8;
for (i = 0; i < pi->npart; i++)
pi->offset[i] = ci->cyloff[i] * ci->nbpc;
}
#else
printf("defining `c' partition as entire disk\n");
pi->npart = 3;
pi->offset[0] = pi->offset[1] = -1;
pi->offset[2] = 0;
#endif
} else {
pi->npart = lp->d_npartitions;
for (i = 0; i < pi->npart; i++)
pi->offset[i] = lp->d_partitions[i].p_size == 0 ?
-1 : lp->d_partitions[i].p_offset;
}
return(1);
}
rdopen(io)
struct iob *io;
{
register struct rd_softc *rs;
struct rdinfo *ri;
int unit, ctlr, part;
devconvert(io);
ctlr = io->i_adapt;
if (ctlr >= NHPIB || hpibalive(ctlr) == 0)
return (EADAPT);
unit = io->i_ctlr;
if (unit >= NRD)
return (ECTLR);
rs = &rd_softc[ctlr][unit];
if (rs->sc_alive == 0) {
if (rdinit(ctlr, unit) == 0)
return (ENXIO);
if (rdgetinfo(io) == 0)
return (ERDLAB);
}
part = io->i_part;
if (part >= rs->sc_pinfo.npart || rs->sc_pinfo.offset[part] == -1)
return (EPART);
io->i_boff = rs->sc_pinfo.offset[part];
return (0);
}
rdstrategy(io, func)
register struct iob *io;
int func;
{
register int ctlr = io->i_adapt;
register int unit = io->i_ctlr;
register struct rd_softc *rs = &rd_softc[ctlr][unit];
char stat;
if (io->i_cc == 0)
return(0);
rs->sc_retry = 0;
rd_ioc.c_unit = C_SUNIT(0);
rd_ioc.c_volume = C_SVOL(0);
rd_ioc.c_saddr = C_SADDR;
rd_ioc.c_hiaddr = 0;
rd_ioc.c_addr = RDBTOS(io->i_bn);
rd_ioc.c_nop2 = C_NOP;
rd_ioc.c_slen = C_SLEN;
rd_ioc.c_len = io->i_cc;
rd_ioc.c_cmd = func == F_READ ? C_READ : C_WRITE;
retry:
hpibsend(ctlr, unit, C_CMD, &rd_ioc.c_unit, sizeof(rd_ioc)-2);
hpibswait(ctlr, unit);
hpibgo(ctlr, unit, C_EXEC, io->i_ma, io->i_cc, func);
hpibswait(ctlr, unit);
hpibrecv(ctlr, unit, C_QSTAT, &stat, 1);
if (stat) {
if (rderror(ctlr, unit, io->i_part) == 0)
return(-1);
if (++rs->sc_retry > RDRETRY)
return(-1);
goto retry;
}
return(io->i_cc);
}
rderror(ctlr, unit, part)
register int ctlr, unit;
int part;
{
register struct rd_softc *rd = &rd_softc[ctlr][unit];
char stat;
rd_rsc.c_unit = C_SUNIT(0);
rd_rsc.c_sram = C_SRAM;
rd_rsc.c_ram = C_RAM;
rd_rsc.c_cmd = C_STATUS;
hpibsend(ctlr, unit, C_CMD, &rd_rsc, sizeof(rd_rsc));
hpibrecv(ctlr, unit, C_EXEC, &rd_stat, sizeof(rd_stat));
hpibrecv(ctlr, unit, C_QSTAT, &stat, 1);
if (stat) {
printf("rd(%d,%d,0,%d): request status fail %d\n",
ctlr, unit, part, stat);
return(0);
}
printf("rd(%d,%d,0,%d) err: vu 0x%x",
ctlr, unit, part, rd_stat.c_vu);
if ((rd_stat.c_aef & AEF_UD) || (rd_stat.c_ief & (IEF_MD|IEF_RD)))
printf(", block %d", rd_stat.c_blk);
printf(", R0x%x F0x%x A0x%x I0x%x\n",
rd_stat.c_ref, rd_stat.c_fef, rd_stat.c_aef, rd_stat.c_ief);
return(1);
}