Date: Fri, 4 Oct 1996 13:05:13 -0700 From: Curt Mayer <curt@emergent.com> To: freebsd-hardware@FreeBSD.org Subject: T4000S Message-ID: <199610042005.NAA10597@bluewhale.emergent.com>
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I've been running the T4000S against 2.1.5 since I got the drive, and it
streams pretty good. It requires a patch, since it does not support a
density select. I've filed a bug, and just in case the bug-dudes don't
integrate the fix, here's the patch.
curt
*** st.c Tue Aug 20 12:59:57 1996
--- /home/curt/st.c Fri Oct 4 12:39:44 1996
***************
*** 92,97 ****
--- 92,98 ----
#define ST_Q_SNS_HLP 0x00008 /* must do READ for good MODE SENSE */
#define ST_Q_IGNORE_LOADS 0x00010
#define ST_Q_BLKSIZ 0x00020 /* variable-block media_blksiz > 0 */
+ #define ST_Q_NOMODESEL 0x00040 /* no mode select - use defaults */
static struct rogues gallery[] = /* ends with an all-null entry */
{
***************
*** 149,154 ****
--- 150,164 ----
{0, ST_Q_FORCE_VAR_MODE, 0x13} /* minor 12,13,14,15 */
}
},
+ {"HP T4000s rev 1.05", "HP ", "T4000s", "1.05",
+ ST_Q_NOMODESEL,
+ {
+ {0, 0, 0}, /* minor 0,1,2,3 */
+ {0, 0, 0}, /* minor 4,5,6,7 */
+ {0, 0, 0}, /* minor 8,9,10,11 */
+ {0, 0, 0} /* minor 12,13,14,15 */
+ }
+ },
{(char *) 0}
};
#endif /* NEW_SCSICONF */
***************
*** 718,730 ****
return errno;
}
}
! #ifdef notdef
! if ( (errno = st_mode_select(unit, 0, NULL, 0)) ) {
! printf("st%ld: Cannot set selected mode", unit);
! return errno;
}
! #endif
! scsi_prevent(sc_link, PR_PREVENT, 0); /* who cares if it fails? */
st->flags &= ~ST_NEW_MOUNT;
st->flags |= ST_MOUNTED;
sc_link->flags |= SDEV_MEDIA_LOADED;
--- 728,741 ----
return errno;
}
}
! if (!(st->quirks & ST_Q_NOMODESEL)) {
! if ( (errno = st_mode_select(unit, 0, NULL, 0)) ) {
! printf("st%ld: Cannot set selected mode\n", unit);
! return errno;
! }
}
! scsi_prevent(sc_link, PR_PREVENT, SCSI_SILENT);
! /* who cares if it fails? */
st->flags &= ~ST_NEW_MOUNT;
st->flags |= ST_MOUNTED;
sc_link->flags |= SDEV_MEDIA_LOADED;
***************
*** 1278,1284 ****
* drive. If not, put it back the way it was.
*/
if ( (errcode = st_mode_select(unit, 0, NULL, 0)) ) { /* put back as it was */
! printf("st%d: Cannot set selected mode", unit);
st->density = hold_density;
st->blksiz = hold_blksiz;
if (st->blksiz) {
--- 1289,1295 ----
* drive. If not, put it back the way it was.
*/
if ( (errcode = st_mode_select(unit, 0, NULL, 0)) ) { /* put back as it was */
! printf("st%d: Cannot set selected mode\n", unit);
st->density = hold_density;
st->blksiz = hold_blksiz;
if (st->blksiz) {
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