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/*
* Copyright (C) 2006-2007 XenSource Ltd.
* Copyright (C) 2008 Citrix Ltd.
* Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; version 2.1 only. with the special
* exception on linking described in file LICENSE.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <stdint.h>
#include <sys/ioctl.h>
#include <xen/sysctl.h>
#include <xen/xen.h>
#include <xen/sys/evtchn.h>
#include <xenctrl.h>
#define CAML_NAME_SPACE
#include <caml/mlvalues.h>
#include <caml/memory.h>
#include <caml/alloc.h>
#include <caml/custom.h>
#include <caml/callback.h>
#include <caml/fail.h>
#define _H(__h) ((xc_interface *)(__h))
CAMLprim value stub_eventchn_init(void)
{
CAMLparam0();
CAMLlocal1(result);
xc_interface *xce = xc_evtchn_open(NULL, XC_OPENFLAG_NON_REENTRANT);
if (xce == NULL)
caml_failwith("open failed");
result = (value)xce;
CAMLreturn(result);
}
CAMLprim value stub_eventchn_fd(value xce)
{
CAMLparam1(xce);
CAMLlocal1(result);
int fd;
fd = xc_evtchn_fd(_H(xce));
if (fd == -1)
caml_failwith("evtchn fd failed");
result = Val_int(fd);
CAMLreturn(result);
}
CAMLprim value stub_eventchn_notify(value xce, value port)
{
CAMLparam2(xce, port);
int rc;
rc = xc_evtchn_notify(_H(xce), Int_val(port));
if (rc == -1)
caml_failwith("evtchn notify failed");
CAMLreturn(Val_unit);
}
CAMLprim value stub_eventchn_bind_interdomain(value xce, value domid,
value remote_port)
{
CAMLparam3(xce, domid, remote_port);
CAMLlocal1(port);
evtchn_port_or_error_t rc;
rc = xc_evtchn_bind_interdomain(_H(xce), Int_val(domid), Int_val(remote_port));
if (rc == -1)
caml_failwith("evtchn bind_interdomain failed");
port = Val_int(rc);
CAMLreturn(port);
}
CAMLprim value stub_eventchn_bind_dom_exc_virq(value xce)
{
CAMLparam1(xce);
CAMLlocal1(port);
evtchn_port_or_error_t rc;
rc = xc_evtchn_bind_virq(_H(xce), VIRQ_DOM_EXC);
if (rc == -1)
caml_failwith("evtchn bind_dom_exc_virq failed");
port = Val_int(rc);
CAMLreturn(port);
}
CAMLprim value stub_eventchn_unbind(value xce, value port)
{
CAMLparam2(xce, port);
int rc;
rc = xc_evtchn_unbind(_H(xce), Int_val(port));
if (rc == -1)
caml_failwith("evtchn unbind failed");
CAMLreturn(Val_unit);
}
CAMLprim value stub_eventchn_pending(value xce)
{
CAMLparam1(xce);
CAMLlocal1(result);
evtchn_port_or_error_t port;
port = xc_evtchn_pending(_H(xce));
if (port == -1)
caml_failwith("evtchn pending failed");
result = Val_int(port);
CAMLreturn(result);
}
CAMLprim value stub_eventchn_unmask(value xce, value _port)
{
CAMLparam2(xce, _port);
evtchn_port_t port;
port = Int_val(_port);
if (xc_evtchn_unmask(_H(xce), port))
caml_failwith("evtchn unmask failed");
CAMLreturn(Val_unit);
}
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