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

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 028559fcaf
commit 1e4fafdaef
3 changed files with 72 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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 */