static int
g_bde_destroy_geom(struct gctl_req *req, struct g_class *mp, struct g_geom *gp)
{
struct g_consumer *cp;
struct g_provider *pp;
struct g_bde_softc *sc;
g_trace(G_T_TOPOLOGY, "g_bde_destroy_geom(%s, %s)", mp->name, gp->name);
g_topology_assert();
/*
* Orderly detachment.
*/
KASSERT(gp != NULL, ("NULL geom"));
pp = LIST_FIRST(&gp->provider);
KASSERT(pp != NULL, ("NULL provider"));
if (pp->acr > 0 || pp->acw > 0 || pp->ace > 0)
return (EBUSY);
sc = gp->softc;
cp = LIST_FIRST(&gp->consumer);
KASSERT(cp != NULL, ("NULL consumer"));
sc->dead = 1;
wakeup(sc);
g_access(cp, -1, -1, -1);
g_detach(cp);
g_destroy_consumer(cp);
while (sc->dead != 2 && !LIST_EMPTY(&pp->consumers))
tsleep(sc, PRIBIO, "g_bdedie", hz);
mtx_destroy(&sc->worklist_mutex);
bzero(&sc->key, sizeof sc->key);
g_free(sc);
g_wither_geom(gp, ENXIO);
return (0);
}
static int
g_uzip_destroy_geom(struct gctl_req *req, struct g_class *mp, struct g_geom *gp)
{
struct g_provider *pp;
g_trace(G_T_TOPOLOGY, "%s(%s, %s)", __func__, mp->name, gp->name);
g_topology_assert();
if (gp->softc == NULL) {
DPRINTF(GUZ_DBG_ERR, ("%s(%s): gp->softc == NULL\n", __func__,
gp->name));
return (ENXIO);
}
KASSERT(gp != NULL, ("NULL geom"));
pp = LIST_FIRST(&gp->provider);
KASSERT(pp != NULL, ("NULL provider"));
if (pp->acr > 0 || pp->acw > 0 || pp->ace > 0)
return (EBUSY);
g_uzip_softc_free(gp->softc, gp);
gp->softc = NULL;
g_wither_geom(gp, ENXIO);
return (0);
}
static void
g_uzip_spoiled(struct g_consumer *cp)
{
struct g_geom *gp;
gp = cp->geom;
g_trace(G_T_TOPOLOGY, "%s(%p/%s)", __func__, cp, gp->name);
g_topology_assert();
g_uzip_softc_free(gp->softc, gp);
gp->softc = NULL;
g_wither_geom(gp, ENXIO);
}
static void
acd_geom_detach(void *arg, int flag)
{
struct acd_softc *cdp = device_get_ivars(arg);
/* signal geom so we dont get any further requests */
g_wither_geom(cdp->gp, ENXIO);
/* fail requests on the queue and any thats "in flight" for this device */
ata_fail_requests(arg);
/* dont leave anything behind */
device_set_ivars(arg, NULL);
free(cdp, M_ACD);
}
static void
g_uzip_orphan(struct g_consumer *cp)
{
struct g_geom *gp;
g_trace(G_T_TOPOLOGY, "g_uzip_orphan(%p/%s)", cp, cp->provider->name);
g_topology_assert();
KASSERT(cp->provider->error != 0,
("g_uzip_orphan with error == 0"));
gp = cp->geom;
g_uzip_softc_free(gp->softc, gp);
gp->softc = NULL;
g_wither_geom(gp, cp->provider->error);
}
static void
g_aes_orphan(struct g_consumer *cp)
{
struct g_geom *gp;
struct g_aes_softc *sc;
g_trace(G_T_TOPOLOGY, "g_aes_orphan(%p/%s)", cp, cp->provider->name);
g_topology_assert();
gp = cp->geom;
sc = gp->softc;
g_wither_geom(gp, ENXIO);
bzero(sc, sizeof(struct g_aes_softc)); /* destroy evidence */
g_free(sc);
return;
}