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MFC 1.34: Connect QFULL events up with decreasing openings.

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Approved by: re (mux)
This commit is contained in:
mjacob 2006-09-27 15:30:46 +00:00
parent 16381a6ca1
commit a75c3a7575
1 changed files with 32 additions and 2 deletions
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34
sys/dev/mpt/mpt_cam.c
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@ -2148,10 +2148,40 @@ mpt_cam_event(struct mpt_softc *mpt, request_t *req,
break;
case MPI_EVENT_QUEUE_FULL:
{
struct cam_sim *sim;
struct cam_path *tmppath;
struct ccb_relsim crs;
PTR_EVENT_DATA_QUEUE_FULL pqf =
(PTR_EVENT_DATA_QUEUE_FULL) msg->Data;
mpt_prt(mpt, "QUEUE_FULL: Bus 0x%02x Target 0x%02x Depth %d\n",
pqf->Bus, pqf->TargetID, pqf->CurrentDepth);
lun_id_t lun_id;
mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth "
"%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth);
if (mpt->phydisk_sim) {
sim = mpt->phydisk_sim;
} else {
sim = mpt->sim;
}
MPTLOCK_2_CAMLOCK(mpt);
for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) {
if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim),
pqf->TargetID, lun_id) != CAM_REQ_CMP) {
mpt_prt(mpt, "unable to create a path to send "
"XPT_REL_SIMQ");
CAMLOCK_2_MPTLOCK(mpt);
break;
}
xpt_setup_ccb(&crs.ccb_h, tmppath, 5);
crs.ccb_h.func_code = XPT_REL_SIMQ;
crs.release_flags = RELSIM_ADJUST_OPENINGS;
crs.openings = pqf->CurrentDepth - 1;
xpt_action((union ccb *)&crs);
if (crs.ccb_h.status != CAM_REQ_CMP) {
mpt_prt(mpt, "XPT_REL_SIMQ failed\n");
}
xpt_free_path(tmppath);
}
CAMLOCK_2_MPTLOCK(mpt);
break;
}
case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: