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Differential D25766 Diff 75002 head/sys/dev/mpr/mpr_sas.c

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head/sys/dev/mpr/mpr_sas.c

Show First 20 Lines • Show All 730 Lines • ▼ Show 20 Linesmpr_attach_sas(struct mpr_softc *sc)
struct mprsas_softc *sassc; struct mprsas_softc *sassc;
cam_status status; cam_status status;
int unit, error = 0, reqs; int unit, error = 0, reqs;
MPR_FUNCTRACE(sc); MPR_FUNCTRACE(sc);
mpr_dprint(sc, MPR_INIT, "%s entered\n", __func__); mpr_dprint(sc, MPR_INIT, "%s entered\n", __func__);
sassc = malloc(sizeof(struct mprsas_softc), M_MPR, M_WAITOK|M_ZERO); sassc = malloc(sizeof(struct mprsas_softc), M_MPR, M_WAITOK|M_ZERO);
if (!sassc) {
mpr_dprint(sc, MPR_INIT|MPR_ERROR,
"Cannot allocate SAS subsystem memory\n");
return (ENOMEM);
}
/* /*
* XXX MaxTargets could change during a reinit. Since we don't * XXX MaxTargets could change during a reinit. Since we don't
* resize the targets[] array during such an event, cache the value * resize the targets[] array during such an event, cache the value
* of MaxTargets here so that we don't get into trouble later. This * of MaxTargets here so that we don't get into trouble later. This
* should move into the reinit logic. * should move into the reinit logic.
*/ */
sassc->maxtargets = sc->facts->MaxTargets + sc->facts->MaxVolumes; sassc->maxtargets = sc->facts->MaxTargets + sc->facts->MaxVolumes;
sassc->targets = malloc(sizeof(struct mprsas_target) * sassc->targets = malloc(sizeof(struct mprsas_target) *
sassc->maxtargets, M_MPR, M_WAITOK|M_ZERO); sassc->maxtargets, M_MPR, M_WAITOK|M_ZERO);
if (!sassc->targets) {
mpr_dprint(sc, MPR_INIT|MPR_ERROR,
"Cannot allocate SAS target memory\n");
free(sassc, M_MPR);
return (ENOMEM);
}
sc->sassc = sassc; sc->sassc = sassc;
sassc->sc = sc; sassc->sc = sc;
reqs = sc->num_reqs - sc->num_prireqs - 1; reqs = sc->num_reqs - sc->num_prireqs - 1;
if ((sassc->devq = cam_simq_alloc(reqs)) == NULL) { if ((sassc->devq = cam_simq_alloc(reqs)) == NULL) {
mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Cannot allocate SIMQ\n"); mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Cannot allocate SIMQ\n");
error = ENOMEM; error = ENOMEM;
goto out; goto out;
▲ Show 20 Lines • Show All 2,783 Lines • ▼ Show 20 Lines for (i=0; i< maxtargets; i++) {
SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) { SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
free(lun, M_MPR); free(lun, M_MPR);
} }
} }
free(sassc->targets, M_MPR); free(sassc->targets, M_MPR);
sassc->targets = malloc(sizeof(struct mprsas_target) * maxtargets, sassc->targets = malloc(sizeof(struct mprsas_target) * maxtargets,
M_MPR, M_WAITOK|M_ZERO); M_MPR, M_WAITOK|M_ZERO);
if (!sassc->targets) {
panic("%s failed to alloc targets with error %d\n",
__func__, ENOMEM);
}
} }