mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2025-01-13 14:40:22 +00:00
Code Issues Releases Activity

Sascha Blank <blank@uni-trier.de> convinced me I was an

Browse Source 
idiot about testing SA_QUIRK_2FM in samount. Fixed.

Removed the NORRLS quirk (to save quirk space) and left
the behaviour of being quiet about failed reserve/release
(failed due Illegal Request) the same.

Added a SF_QUIET_IR for prevent/allow for the same purposes.
This commit is contained in:
Matt Jacob 1999-01-16 19:20:30 +00:00
parent c3654b5c4d
commit 15da947cba
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=42735
1 changed files with 27 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
sys/cam/scsi/scsi_sa.c
View File

@ -25,7 +25,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: scsi_sa.c,v 1.14 1999/01/12 08:15:47 mjacob Exp $
* $Id: scsi_sa.c,v 1.15 1999/01/16 04:02:31 mjacob Exp $
*/
#include <sys/param.h>
@ -132,8 +132,7 @@ typedef enum {
SA_QUIRK_NOCOMP = 0x01, /* can't deal with compression at all */
SA_QUIRK_FIXED = 0x02, /* force fixed mode */
SA_QUIRK_VARIABLE = 0x04, /* force variable mode */
SA_QUIRK_2FM = 0x08, /* Two File Marks at EOD */
SA_QUIRK_NORRLS = 0x10 /* Don't attempt RESERVE/RELEASE */
SA_QUIRK_2FM = 0x08 /* Two File Marks at EOD */
} sa_quirks;
struct sa_softc {
@ -1529,7 +1528,7 @@ samount(struct cam_periph *periph, int oflags, dev_t dev)
* to have 2 Filemarks at EOD, now is the time to find out.
*/
if ((softc->quirks & SA_QUIRK_2FM) != 0) {
if ((softc->quirks & SA_QUIRK_2FM) == 0) {
switch (softc->media_density) {
case SCSI_DENSITY_HALFINCH_800:
case SCSI_DENSITY_HALFINCH_1600:
@ -2281,16 +2280,19 @@ saprevent(struct cam_periph *periph, int action)
{
struct sa_softc *softc;
union ccb *ccb;
int error;
int error, sf;
softc = (struct sa_softc *)periph->softc;
if (((action == PR_ALLOW)
&& (softc->flags & SA_FLAG_TAPE_LOCKED) == 0)
|| ((action == PR_PREVENT)
&& (softc->flags & SA_FLAG_TAPE_LOCKED) != 0)) {
if ((action == PR_ALLOW) && (softc->flags & SA_FLAG_TAPE_LOCKED) == 0)
return;
}
if ((action == PR_PREVENT) && (softc->flags & SA_FLAG_TAPE_LOCKED) != 0)
return;
if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO))
sf = 0;
else
sf = SF_QUIET_IR;
ccb = cam_periph_getccb(periph, 1);
@ -2298,7 +2300,10 @@ saprevent(struct cam_periph *periph, int action)
scsi_prevent(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG, action,
SSD_FULL_SIZE, 60000);
error = cam_periph_runccb(ccb, saerror, 0, 0, &softc->device_stats);
/*
* We can be quiet about illegal requests.
*/
error = cam_periph_runccb(ccb, saerror, sf, 0, &softc->device_stats);
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
cam_release_devq(ccb->ccb_h.path, 0, 0, 0, FALSE);
@ -2508,25 +2513,23 @@ sareservereleaseunit(struct cam_periph *periph, int reserve)
int error, sflag;
softc = (struct sa_softc *)periph->softc;
if (softc->quirks & SA_QUIRK_NORRLS)
return (0);
if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO))
sflag = SF_RETRY_UA;
else
sflag = SF_RETRY_UA|SF_QUIET_IR;
ccb = cam_periph_getccb(periph, 1);
/* It is safe to retry this operation */
scsi_reserve_release_unit(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG,
FALSE, 0, SSD_FULL_SIZE, 5000, reserve);
/*
* We set SF_RETRY_UA, since this is often the first command run
* when a tape device is opened, and there may be a unit attention
* condition pending.
*/
if (CAM_DEBUGGED(periph->path, CAM_DEBUG_INFO))
sflag = SF_RETRY_UA;
else
sflag = SF_RETRY_UA|SF_QUIET_IR;
ccb = cam_periph_getccb(periph, 1);
/* It is safe to retry this operation */
scsi_reserve_release_unit(&ccb->csio, 5, sadone, MSG_SIMPLE_Q_TAG,
FALSE, 0, SSD_FULL_SIZE, 5000, reserve);
error = cam_periph_runccb(ccb, saerror, 0, sflag, &softc->device_stats);
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
@ -2539,7 +2542,6 @@ sareservereleaseunit(struct cam_periph *periph, int reserve)
* RESERVE/RELEASE. This is not an error.
*/
if (error == EINVAL) {
softc->quirks |= SA_QUIRK_NORRLS;
error = 0;
}