struct consfront_dev *xencons_ring_init(void)
{
int err;
struct consfront_dev *dev;
if (!start_info.console.domU.evtchn)
return 0;
dev = bmk_memcalloc(1, sizeof(struct consfront_dev));
dev->nodename = "device/console";
dev->dom = 0;
dev->backend = 0;
dev->ring_ref = 0;
dev->evtchn = start_info.console.domU.evtchn;
dev->ring = (struct xencons_interface *) mfn_to_virt(start_info.console.domU.mfn);
err = minios_bind_evtchn(dev->evtchn, console_handle_input, dev);
if (err <= 0) {
minios_printk("XEN console request chn bind failed %i\n", err);
bmk_memfree(dev);
return NULL;
}
minios_unmask_evtchn(dev->evtchn);
/* In case we have in-flight data after save/restore... */
notify_daemon(dev);
return dev;
}
void
rumpuser_cv_init(struct rumpuser_cv **cvp)
{
struct rumpuser_cv *cv;
cv = bmk_memcalloc(1, sizeof(*cv), BMK_MEMWHO_WIREDBMK);
TAILQ_INIT(&cv->waiters);
*cvp = cv;
}
void
rumpuser_mutex_init(struct rumpuser_mtx **mtxp, int flags)
{
struct rumpuser_mtx *mtx;
mtx = bmk_memcalloc(1, sizeof(*mtx), BMK_MEMWHO_WIREDBMK);
mtx->flags = flags;
TAILQ_INIT(&mtx->waiters);
*mtxp = mtx;
}
void
rumpuser_rw_init(struct rumpuser_rw **rwp)
{
struct rumpuser_rw *rw;
rw = bmk_memcalloc(1, sizeof(*rw), BMK_MEMWHO_WIREDBMK);
TAILQ_INIT(&rw->rwait);
TAILQ_INIT(&rw->wwait);
*rwp = rw;
}
