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o clear the ccb_flags field before sending an accept target I/O ccb to

Browse Source 
an HBA.  Garbage in this field confuses the driver in targdone().

o When completing a CCB on behalf of a user process, we need to
  *de-queue* the ccb from our pending ccb list, not queue it again.

o All continue target I/O operations need to have a timeout set.
  We use 5 seconds throughout this driver.

o Remove some logging printfs.

o During abort processing, remove ccbs that are on the pending queue
  from the pending queue, not the work queue.
This commit is contained in:
Justin T. Gibbs 2000-03-18 22:13:27 +00:00
parent 39d3da3df7
commit a9e181db4a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=58252
1 changed files with 9 additions and 6 deletions
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15
sys/cam/scsi/scsi_target.c
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@ -329,6 +329,7 @@ targenlun(struct cam_periph *periph)
xpt_setup_ccb(&atio->ccb_h, periph->path, /*priority*/1);
atio->ccb_h.func_code = XPT_ACCEPT_TARGET_IO;
atio->ccb_h.cbfcnp = targdone;
atio->ccb_h.ccb_flags = TARG_CCB_NONE;
xpt_action((union ccb *)atio);
status = atio->ccb_h.status;
if (status != CAM_REQ_INPROG) {
@ -734,6 +735,7 @@ targfreeinstance(struct ioc_alloc_unit *alloc_unit)
/* Find our instance. */
if ((periph = cam_periph_find(path, "targ")) == NULL) {
xpt_print_path(path);
printf("Invalid path specified for freeing target instance\n");
status = CAM_PATH_INVALID;
goto fail;
}
@ -984,8 +986,8 @@ targsendccb(struct cam_periph *periph, union ccb *ccb, union ccb *inccb)
&softc->device_stats);
if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO)
TAILQ_INSERT_TAIL(&softc->pending_queue, &ccb->ccb_h,
periph_links.tqe);
TAILQ_REMOVE(&softc->pending_queue, &ccb->ccb_h,
periph_links.tqe);
} else {
ccb->ccb_h.status = CAM_UNACKED_EVENT;
error = 0;
@ -1405,6 +1407,7 @@ targdone(struct cam_periph *periph, union ccb *done_ccb)
atio->ccb_h.flags |= CAM_DIR_NONE;
descr->data_resid = 0;
descr->data_increment = 0;
descr->timeout = 5 * 1000;
descr->status = SCSI_STATUS_CHECK_COND;
copy_sense(softc, istate, (u_int8_t *)&atio->sense_data,
atio->sense_len);
@ -1460,6 +1463,7 @@ targdone(struct cam_periph *periph, union ccb *done_ccb)
inq = (struct scsi_inquiry *)cdb;
sense = &istate->sense_data;
descr->status = SCSI_STATUS_OK;
CAM_DEBUG(periph->path, CAM_DEBUG_PERIPH,
("Saw an inquiry!\n"));
/*
@ -1473,6 +1477,7 @@ targdone(struct cam_periph *periph, union ccb *done_ccb)
atio->ccb_h.flags |= CAM_DIR_NONE;
descr->data_resid = 0;
descr->data_increment = 0;
descr->timeout = 5 * 1000;
descr->status = SCSI_STATUS_CHECK_COND;
fill_sense(softc, atio->init_id,
SSD_CURRENT_ERROR,
@ -1517,7 +1522,6 @@ targdone(struct cam_periph *periph, union ccb *done_ccb)
inq->length);
descr->data_increment = descr->data_resid;
descr->timeout = 5 * 1000;
descr->status = SCSI_STATUS_OK;
break;
}
case TEST_UNIT_READY:
@ -1904,7 +1908,6 @@ targerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
istate = &softc->istate[csio->init_id];
switch (status) {
case CAM_REQ_ABORTED:
printf("Request Aborted!\n");
if ((ccb->ccb_h.ccb_flags & TARG_CCB_ABORT_TO_HELDQ) != 0) {
/*
@ -2102,7 +2105,7 @@ set_ca_condition(struct cam_periph *periph, u_int initiator_id, ca_types ca)
softc = (struct targ_softc *)periph->softc;
softc->istate[initiator_id].pending_ca = ca;
abort_pending_transactions(periph, initiator_id, TARG_TAG_WILDCARD,
/* errno */0, /*to_held_queue*/TRUE);
/*errno*/0, /*to_held_queue*/TRUE);
}
static void
@ -2192,7 +2195,7 @@ abort_pending_transactions(struct cam_periph *periph, u_int initiator_id,
CAM_DEBUG(periph->path, CAM_DEBUG_PERIPH,
("Aborting CTIO\n"));
TAILQ_REMOVE(&softc->work_queue, &csio->ccb_h,
TAILQ_REMOVE(&softc->pending_queue, &csio->ccb_h,
periph_links.tqe);
if (to_held_queue != 0)