static int
mfi_pci_detach(device_t dev)
{
struct mfi_softc *sc;
int error, devcount, i;
device_t *devlist;
sc = device_get_softc(dev);
sx_xlock(&sc->mfi_config_lock);
mtx_lock(&sc->mfi_io_lock);
if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) {
mtx_unlock(&sc->mfi_io_lock);
sx_xunlock(&sc->mfi_config_lock);
return (EBUSY);
}
sc->mfi_detaching = 1;
mtx_unlock(&sc->mfi_io_lock);
if ((error = device_get_children(sc->mfi_dev, &devlist, &devcount)) != 0) {
sx_xunlock(&sc->mfi_config_lock);
return error;
}
for (i = 0; i < devcount; i++)
device_delete_child(sc->mfi_dev, devlist[i]);
free(devlist, M_TEMP);
sx_xunlock(&sc->mfi_config_lock);
EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh);
mfi_shutdown(sc);
mfi_free(sc);
mfi_pci_free(sc);
return (0);
}
static int
mfi_pci_detach(device_t dev)
{
struct mfi_softc *sc;
struct mfi_disk *ld;
int error;
sc = device_get_softc(dev);
sx_xlock(&sc->mfi_config_lock);
mtx_lock(&sc->mfi_io_lock);
if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) {
mtx_unlock(&sc->mfi_io_lock);
sx_xunlock(&sc->mfi_config_lock);
return (EBUSY);
}
sc->mfi_detaching = 1;
mtx_unlock(&sc->mfi_io_lock);
while ((ld = TAILQ_FIRST(&sc->mfi_ld_tqh)) != NULL) {
if ((error = device_delete_child(dev, ld->ld_dev)) != 0) {
sc->mfi_detaching = 0;
sx_xunlock(&sc->mfi_config_lock);
return (error);
}
}
sx_xunlock(&sc->mfi_config_lock);
EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh);
mfi_shutdown(sc);
mfi_free(sc);
mfi_pci_free(sc);
return (0);
}
