freebsd-nq/sys/x86/xen/xen_nexus.c
Roger Pau Monné 24f7e474cc xen: add missing files
Commit missing files that actually belong to previous commits.

Sponsored by: Citrix Systems R&D
Approved by: gibbs
2014-06-16 08:54:04 +00:00

78 lines
2.2 KiB
C

/*
* Copyright (c) 2013 Roger Pau Monné <roger.pau@citrix.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/smp.h>
#include <machine/nexusvar.h>
#include <xen/xen-os.h>
/*
* Xen nexus(4) driver.
*/
static int
nexus_xen_probe(device_t dev)
{
if (!xen_pv_domain())
return (ENXIO);
return (BUS_PROBE_DEFAULT);
}
static int
nexus_xen_attach(device_t dev)
{
nexus_init_resources();
bus_generic_probe(dev);
bus_generic_attach(dev);
return (0);
}
static device_method_t nexus_xen_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, nexus_xen_probe),
DEVMETHOD(device_attach, nexus_xen_attach),
{ 0, 0 }
};
DEFINE_CLASS_1(nexus, nexus_xen_driver, nexus_xen_methods, 1, nexus_driver);
static devclass_t nexus_devclass;
DRIVER_MODULE(nexus_xen, root, nexus_xen_driver, nexus_devclass, 0, 0);