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In receiving a new ATIO, don't record the associated CCB in the target

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state structure. This field is only for CCBs that are associated with
actions that are occurring on the HBA (i.e., XPT_CONT_IO actions).

This way we also don't get confused when the upstream listener stalls
try and look at a CCB which has already been freed (by CAM).
This commit is contained in:
Matt Jacob 2006-04-18 21:52:00 +00:00
parent c499f23b6e
commit 2901a7b7d4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=157853
1 changed files with 15 additions and 16 deletions
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31
sys/dev/mpt/mpt_cam.c
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@ -2685,7 +2685,7 @@ mpt_action(struct cam_sim *sim, union ccb *ccb)
switch (accb->ccb_h.func_code) {
case XPT_ACCEPT_TARGET_IO:
case XPT_IMMED_NOTIFY:
ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb);
ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb);
break;
case XPT_CONT_TARGET_IO:
mpt_prt(mpt, "cannot abort active CTIOs yet\n");
@ -3436,9 +3436,9 @@ mpt_recover_commands(struct mpt_softc *mpt)
* are not happening.
*/
mpt_prt(mpt, "Timedout requests already complete. "
"Interrupts may not be functioning.\n");
mpt_enable_ints(mpt);
return;
"Interrupts may not be functioning.\n");
mpt_enable_ints(mpt);
return;
}
/*
@ -4256,9 +4256,9 @@ mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc,
}
tgt->ccb = (union ccb *) inot;
inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN;
MPTLOCK_2_CAMLOCK(mpt);
MPTLOCK_2_CAMLOCK(mpt);
xpt_done((union ccb *)inot);
CAMLOCK_2_MPTLOCK(mpt);
CAMLOCK_2_MPTLOCK(mpt);
}
static void
@ -4282,7 +4282,7 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
* XXX: We could optimize this for a range
*/
bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap,
BUS_DMASYNC_POSTREAD);
BUS_DMASYNC_POSTREAD);
/*
* Stash info for the current command where we can get at it later.
@ -4427,12 +4427,12 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
mpt_lprt(mpt, MPT_PRT_DEBUG1,
"Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun);
atiop->ccb_h.ccb_mpt_ptr = mpt;
atiop->ccb_h.status = CAM_CDB_RECVD;
atiop->ccb_h.status = CAM_CDB_RECVD;
atiop->ccb_h.target_lun = lun;
atiop->sense_len = 0;
atiop->init_id = GET_INITIATOR_INDEX(reply_desc);
atiop->cdb_len = mpt_cdblen(cdbp[0], 16);
memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len);
atiop->init_id = GET_INITIATOR_INDEX(reply_desc);
atiop->cdb_len = mpt_cdblen(cdbp[0], 16);
memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len);
/*
* The tag we construct here allows us to find the
@ -4441,10 +4441,10 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
* This way we don't have to depend on anything but the
* tag to find things when CCBs show back up from CAM.
*/
atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex);
tgt->tag_id = atiop->tag_id;
if (tag_action) {
atiop->tag_action = tag_action;
atiop->tag_action = tag_action;
atiop->ccb_h.flags = CAM_TAG_ACTION_VALID;
}
if (mpt->verbose >= MPT_PRT_DEBUG) {
@ -4458,11 +4458,10 @@ mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc)
mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n",
itag, atiop->tag_id, tgt->reply_desc, tgt->resid);
}
tgt->ccb = (union ccb *) atiop;
MPTLOCK_2_CAMLOCK(mpt);
MPTLOCK_2_CAMLOCK(mpt);
xpt_done((union ccb *)atiop);
CAMLOCK_2_MPTLOCK(mpt);
CAMLOCK_2_MPTLOCK(mpt);
}
static void