static int
fw_close(struct cdev *dev, int flags, int fmt, fw_proc *td)
{
struct firewire_comm *fc;
struct fw_drv1 *d;
struct fw_xfer *xfer;
struct fw_bind *fwb;
int err = 0;
if (DEV_FWMEM(dev))
return fwmem_close(dev, flags, fmt, td);
d = dev->si_drv1;
fc = d->fc;
/* remove binding */
for (fwb = STAILQ_FIRST(&d->binds); fwb != NULL;
fwb = STAILQ_FIRST(&d->binds)) {
fw_bindremove(fc, fwb);
STAILQ_REMOVE_HEAD(&d->binds, chlist);
fw_xferlist_remove(&fwb->xferlist);
free(fwb, M_FW);
}
if (d->ir != NULL) {
struct fw_xferq *ir = d->ir;
if ((ir->flag & FWXFERQ_OPEN) == 0)
return (EINVAL);
if (ir->flag & FWXFERQ_RUNNING) {
ir->flag &= ~FWXFERQ_RUNNING;
fc->irx_disable(fc, ir->dmach);
}
/* free extbuf */
fwdev_freebuf(ir);
/* drain receiving buffer */
for (xfer = STAILQ_FIRST(&ir->q);
xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
ir->queued--;
STAILQ_REMOVE_HEAD(&ir->q, link);
xfer->resp = 0;
fw_xfer_done(xfer);
}
ir->flag &= ~(FWXFERQ_OPEN | FWXFERQ_MODEMASK |
FWXFERQ_CHTAGMASK);
d->ir = NULL;
}
if (d->it != NULL) {
struct fw_xferq *it = d->it;
if ((it->flag & FWXFERQ_OPEN) == 0)
return (EINVAL);
if (it->flag & FWXFERQ_RUNNING) {
it->flag &= ~FWXFERQ_RUNNING;
fc->itx_disable(fc, it->dmach);
}
/* free extbuf */
fwdev_freebuf(it);
it->flag &= ~(FWXFERQ_OPEN |
FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
d->it = NULL;
}
free(dev->si_drv1, M_FW);
dev->si_drv1 = NULL;
return err;
}
static int
fw_close (struct dev_close_args *ap)
{
cdev_t dev = ap->a_head.a_dev;
struct firewire_softc *sc;
struct firewire_comm *fc;
struct fw_drv1 *d;
int unit = DEV2UNIT(dev);
struct fw_xfer *xfer;
struct fw_bind *fwb;
int err = 0;
if (DEV_FWMEM(dev))
return fwmem_close(ap);
sc = devclass_get_softc(firewire_devclass, unit);
fc = sc->fc;
d = (struct fw_drv1 *)dev->si_drv1;
if (d->ir != NULL) {
struct fw_xferq *ir = d->ir;
if ((ir->flag & FWXFERQ_OPEN) == 0)
return (EINVAL);
if (ir->flag & FWXFERQ_RUNNING) {
ir->flag &= ~FWXFERQ_RUNNING;
fc->irx_disable(fc, ir->dmach);
}
/* free extbuf */
fwdev_freebuf(ir);
/* drain receiving buffer */
for (xfer = STAILQ_FIRST(&ir->q);
xfer != NULL; xfer = STAILQ_FIRST(&ir->q)) {
ir->queued --;
STAILQ_REMOVE_HEAD(&ir->q, link);
xfer->resp = 0;
fw_xfer_done(xfer);
}
/* remove binding */
for (fwb = STAILQ_FIRST(&ir->binds); fwb != NULL;
fwb = STAILQ_FIRST(&ir->binds)) {
STAILQ_REMOVE(&fc->binds, fwb, fw_bind, fclist);
STAILQ_REMOVE_HEAD(&ir->binds, chlist);
kfree(fwb, M_FW);
}
ir->flag &= ~(FWXFERQ_OPEN |
FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
d->ir = NULL;
}
if (d->it != NULL) {
struct fw_xferq *it = d->it;
if ((it->flag & FWXFERQ_OPEN) == 0)
return (EINVAL);
if (it->flag & FWXFERQ_RUNNING) {
it->flag &= ~FWXFERQ_RUNNING;
fc->itx_disable(fc, it->dmach);
}
/* free extbuf */
fwdev_freebuf(it);
it->flag &= ~(FWXFERQ_OPEN |
FWXFERQ_MODEMASK | FWXFERQ_CHTAGMASK);
d->it = NULL;
}
kfree(dev->si_drv1, M_FW);
dev->si_drv1 = NULL;
return err;
}