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wd driver would fail on calling wdgetctlr() for older drives and

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controllers. New behaviour is that if the standard method fails, try
to recalibrate the drive. Success means the drive exists.  patch by
hpeyerl@novatel.cuc.ab.ca (who owns several of these historical
artifacts)
This commit is contained in:
deraadt 1993-04-15 06:39:00 +00:00
parent 9c736c1dcf
commit bf6814fb30
3 changed files with 72 additions and 15 deletions
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29
sys/arch/i386/isa/wd.c
View File

@ -1130,11 +1130,21 @@ wdgetctlr(int u, struct disk *du)
return(stat);
}
#endif
/*
* If WDCC_READP fails then we might have an old drive so we try
* a seek to 0; if that passes then the drive is there but it's
* OLD AND KRUSTY.
*/
if (stat & WDCS_ERR) {
splx(x);
return(inb(wdc+wd_error));
stat = wdcommand(du, WDCC_RESTORE | WD_STEP);
if(stat & WDCS_ERR) {
splx(x);
return(inb(wdc+wd_error));
}
stat = 0x7f; /* MFM/RLL marker for later. */
}
/* obtain parameters */
wp = &du->dk_params;
insw(wdc+wd_data, tb, sizeof(tb)/sizeof(short));
@ -1146,6 +1156,7 @@ wdgetctlr(int u, struct disk *du)
p = (u_short *) (wp->wdp_model + i);
*p = ntohs(*p);
}
/*
printf("gc %x cyl %d trk %d sec %d type %d sz %d model %s\n", wp->wdp_config,
wp->wdp_fixedcyl+wp->wdp_removcyl, wp->wdp_heads, wp->wdp_sectors,
@ -1161,10 +1172,18 @@ wdgetctlr(int u, struct disk *du)
du->dk_dd.d_partitions[1].p_offset = 0;
/* dubious ... */
bcopy("ESDI/IDE", du->dk_dd.d_typename, 9);
if(stat == 0x7f) {
strncpy(du->dk_dd.d_typename, "ST506", sizeof du->dk_dd.d_typename);
for(i=0; i<sizeof(wp->wdp_model); i++)
wp->wdp_model[i] = ' ';
strncpy(wp->wdp_model, "KrUsTy DiSk", sizeof wp->wdp_model);
du->dk_dd.d_type = DTYPE_ST506;
} else {
strncpy(du->dk_dd.d_typename, "ESDI/IDE", sizeof du->dk_dd.d_typename);
du->dk_dd.d_type = DTYPE_ESDI;
}
bcopy(wp->wdp_model+20, du->dk_dd.d_packname, 14-1);
/* better ... */
du->dk_dd.d_type = DTYPE_ESDI;
du->dk_dd.d_subtype |= DSTYPE_GEOMETRY;
/* XXX sometimes possibly needed */

29
sys/dev/ata/wd.c
View File

@ -1130,11 +1130,21 @@ wdgetctlr(int u, struct disk *du)
return(stat);
}
#endif
/*
* If WDCC_READP fails then we might have an old drive so we try
* a seek to 0; if that passes then the drive is there but it's
* OLD AND KRUSTY.
*/
if (stat & WDCS_ERR) {
splx(x);
return(inb(wdc+wd_error));
stat = wdcommand(du, WDCC_RESTORE | WD_STEP);
if(stat & WDCS_ERR) {
splx(x);
return(inb(wdc+wd_error));
}
stat = 0x7f; /* MFM/RLL marker for later. */
}
/* obtain parameters */
wp = &du->dk_params;
insw(wdc+wd_data, tb, sizeof(tb)/sizeof(short));
@ -1146,6 +1156,7 @@ wdgetctlr(int u, struct disk *du)
p = (u_short *) (wp->wdp_model + i);
*p = ntohs(*p);
}
/*
printf("gc %x cyl %d trk %d sec %d type %d sz %d model %s\n", wp->wdp_config,
wp->wdp_fixedcyl+wp->wdp_removcyl, wp->wdp_heads, wp->wdp_sectors,
@ -1161,10 +1172,18 @@ wdgetctlr(int u, struct disk *du)
du->dk_dd.d_partitions[1].p_offset = 0;
/* dubious ... */
bcopy("ESDI/IDE", du->dk_dd.d_typename, 9);
if(stat == 0x7f) {
strncpy(du->dk_dd.d_typename, "ST506", sizeof du->dk_dd.d_typename);
for(i=0; i<sizeof(wp->wdp_model); i++)
wp->wdp_model[i] = ' ';
strncpy(wp->wdp_model, "KrUsTy DiSk", sizeof wp->wdp_model);
du->dk_dd.d_type = DTYPE_ST506;
} else {
strncpy(du->dk_dd.d_typename, "ESDI/IDE", sizeof du->dk_dd.d_typename);
du->dk_dd.d_type = DTYPE_ESDI;
}
bcopy(wp->wdp_model+20, du->dk_dd.d_packname, 14-1);
/* better ... */
du->dk_dd.d_type = DTYPE_ESDI;
du->dk_dd.d_subtype |= DSTYPE_GEOMETRY;
/* XXX sometimes possibly needed */

29
sys/dev/isa/wd.c
View File

@ -1130,11 +1130,21 @@ wdgetctlr(int u, struct disk *du)
return(stat);
}
#endif
/*
* If WDCC_READP fails then we might have an old drive so we try
* a seek to 0; if that passes then the drive is there but it's
* OLD AND KRUSTY.
*/
if (stat & WDCS_ERR) {
splx(x);
return(inb(wdc+wd_error));
stat = wdcommand(du, WDCC_RESTORE | WD_STEP);
if(stat & WDCS_ERR) {
splx(x);
return(inb(wdc+wd_error));
}
stat = 0x7f; /* MFM/RLL marker for later. */
}
/* obtain parameters */
wp = &du->dk_params;
insw(wdc+wd_data, tb, sizeof(tb)/sizeof(short));
@ -1146,6 +1156,7 @@ wdgetctlr(int u, struct disk *du)
p = (u_short *) (wp->wdp_model + i);
*p = ntohs(*p);
}
/*
printf("gc %x cyl %d trk %d sec %d type %d sz %d model %s\n", wp->wdp_config,
wp->wdp_fixedcyl+wp->wdp_removcyl, wp->wdp_heads, wp->wdp_sectors,
@ -1161,10 +1172,18 @@ wdgetctlr(int u, struct disk *du)
du->dk_dd.d_partitions[1].p_offset = 0;
/* dubious ... */
bcopy("ESDI/IDE", du->dk_dd.d_typename, 9);
if(stat == 0x7f) {
strncpy(du->dk_dd.d_typename, "ST506", sizeof du->dk_dd.d_typename);
for(i=0; i<sizeof(wp->wdp_model); i++)
wp->wdp_model[i] = ' ';
strncpy(wp->wdp_model, "KrUsTy DiSk", sizeof wp->wdp_model);
du->dk_dd.d_type = DTYPE_ST506;
} else {
strncpy(du->dk_dd.d_typename, "ESDI/IDE", sizeof du->dk_dd.d_typename);
du->dk_dd.d_type = DTYPE_ESDI;
}
bcopy(wp->wdp_model+20, du->dk_dd.d_packname, 14-1);
/* better ... */
du->dk_dd.d_type = DTYPE_ESDI;
du->dk_dd.d_subtype |= DSTYPE_GEOMETRY;
/* XXX sometimes possibly needed */