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Return CAM_RELEASE_SIMQ flag only when it is needed, when SIM really

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was frozen before and should be released.
This commit is contained in:
Alexander Motin 2010-02-04 14:40:08 +00:00
parent 440ff1b90d
commit 0a65b79f42
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=203489
1 changed files with 10 additions and 12 deletions
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22
sys/dev/ciss/ciss.c
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@ -3065,6 +3065,7 @@ ciss_cam_action_io(struct cam_sim *sim, struct ccb_scsiio *csio)
*/
if ((error = ciss_get_request(sc, &cr)) != 0) {
xpt_freeze_simq(sim, 1);
csio->ccb_h.status |= CAM_RELEASE_SIMQ;
csio->ccb_h.status |= CAM_REQUEUE_REQ;
return(error);
}
@ -3116,8 +3117,8 @@ ciss_cam_action_io(struct cam_sim *sim, struct ccb_scsiio *csio)
*/
if ((error = ciss_start(cr)) != 0) {
xpt_freeze_simq(sim, 1);
csio->ccb_h.status |= CAM_RELEASE_SIMQ;
if (error == EINPROGRESS) {
csio->ccb_h.status |= CAM_RELEASE_SIMQ;
error = 0;
} else {
csio->ccb_h.status |= CAM_REQUEUE_REQ;
@ -3145,7 +3146,7 @@ ciss_cam_emulate(struct ciss_softc *sc, struct ccb_scsiio *csio)
if (CISS_IS_PHYSICAL(bus)) {
if (sc->ciss_physical[CISS_CAM_TO_PBUS(bus)][target].cp_online != 1) {
csio->ccb_h.status = CAM_SEL_TIMEOUT;
csio->ccb_h.status |= CAM_SEL_TIMEOUT;
xpt_done((union ccb *)csio);
return(1);
} else
@ -3158,7 +3159,7 @@ ciss_cam_emulate(struct ciss_softc *sc, struct ccb_scsiio *csio)
* Other errors might be better.
*/
if (sc->ciss_logical[bus][target].cl_status != CISS_LD_ONLINE) {
csio->ccb_h.status = CAM_SEL_TIMEOUT;
csio->ccb_h.status |= CAM_SEL_TIMEOUT;
xpt_done((union ccb *)csio);
return(1);
}
@ -3172,7 +3173,7 @@ ciss_cam_emulate(struct ciss_softc *sc, struct ccb_scsiio *csio)
if (((csio->ccb_h.flags & CAM_CDB_POINTER) ?
*(u_int8_t *)csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes[0]) == SYNCHRONIZE_CACHE) {
ciss_flush_adapter(sc);
csio->ccb_h.status = CAM_REQ_CMP;
csio->ccb_h.status |= CAM_REQ_CMP;
xpt_done((union ccb *)csio);
return(1);
}
@ -3233,13 +3234,13 @@ ciss_cam_complete(struct ciss_request *cr)
/* no status due to adapter error */
case -1:
debug(0, "adapter error");
csio->ccb_h.status = CAM_REQ_CMP_ERR;
csio->ccb_h.status |= CAM_REQ_CMP_ERR;
break;
/* no status due to command completed OK */
case SCSI_STATUS_OK: /* CISS_SCSI_STATUS_GOOD */
debug(2, "SCSI_STATUS_OK");
csio->ccb_h.status = CAM_REQ_CMP;
csio->ccb_h.status |= CAM_REQ_CMP;
break;
/* check condition, sense data included */
@ -3250,7 +3251,7 @@ ciss_cam_complete(struct ciss_request *cr)
bcopy(&ce->sense_info[0], &csio->sense_data, ce->sense_length);
csio->sense_len = ce->sense_length;
csio->resid = ce->residual_count;
csio->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
csio->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
#ifdef CISS_DEBUG
{
struct scsi_sense_data *sns = (struct scsi_sense_data *)&ce->sense_info[0];
@ -3261,21 +3262,18 @@ ciss_cam_complete(struct ciss_request *cr)
case SCSI_STATUS_BUSY: /* CISS_SCSI_STATUS_BUSY */
debug(0, "SCSI_STATUS_BUSY");
csio->ccb_h.status = CAM_SCSI_BUSY;
csio->ccb_h.status |= CAM_SCSI_BUSY;
break;
default:
debug(0, "unknown status 0x%x", csio->scsi_status);
csio->ccb_h.status = CAM_REQ_CMP_ERR;
csio->ccb_h.status |= CAM_REQ_CMP_ERR;
break;
}
/* handle post-command fixup */
ciss_cam_complete_fixup(sc, csio);
/* tell CAM we're ready for more commands */
csio->ccb_h.status |= CAM_RELEASE_SIMQ;
ciss_release_request(cr);
xpt_done((union ccb *)csio);
}