static void
ntb_transport_free(struct ntb_transport_ctx *nt)
{
struct ntb_softc *ntb = nt->ntb;
struct _qpset qp_bitmap_alloc;
uint8_t i;
ntb_transport_link_cleanup(nt);
taskqueue_drain(taskqueue_swi, &nt->link_cleanup);
callout_drain(&nt->link_work);
callout_drain(&nt->link_watchdog);
BIT_COPY(QP_SETSIZE, &nt->qp_bitmap, &qp_bitmap_alloc);
BIT_NAND(QP_SETSIZE, &qp_bitmap_alloc, &nt->qp_bitmap_free);
/* Verify that all the QPs are freed */
for (i = 0; i < nt->qp_count; i++)
if (test_bit(i, &qp_bitmap_alloc))
ntb_transport_free_queue(&nt->qp_vec[i]);
ntb_link_disable(ntb);
ntb_clear_ctx(ntb);
for (i = 0; i < nt->mw_count; i++)
ntb_free_mw(nt, i);
free(nt->qp_vec, M_NTB_IF);
}
/* Link Event handler */
static void
ntb_transport_event_callback(void *data, enum ntb_hw_event event)
{
struct ntb_netdev *nt = data;
switch (event) {
case NTB_EVENT_HW_LINK_UP:
if (bootverbose)
device_printf(ntb_get_device(nt->ntb), "HW link up\n");
callout_reset(&nt->link_work, 0, ntb_transport_link_work, nt);
break;
case NTB_EVENT_HW_LINK_DOWN:
if (bootverbose)
device_printf(ntb_get_device(nt->ntb), "HW link down\n");
ntb_transport_link_cleanup(nt);
break;
default:
panic("ntb: Unknown NTB event");
}
}
static void
ntb_transport_link_cleanup_work(void *arg, int pending __unused)
{
ntb_transport_link_cleanup(arg);
}
