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/******************************************************************************
* xc_physdev.c
*
* API for manipulating physical-device access permissions.
*
* Copyright (c) 2004, Rolf Neugebauer (Intel Research Cambridge)
* Copyright (c) 2004, K A Fraser (University of Cambridge)
*
* This library 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 of the License.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xc_private.h"
int xc_physdev_pci_access_modify(xc_interface *xch,
uint32_t domid,
int bus,
int dev,
int func,
int enable)
{
errno = ENOSYS;
return -1;
}
int xc_physdev_map_pirq(xc_interface *xch,
int domid,
int index,
int *pirq)
{
int rc;
struct physdev_map_pirq map;
if ( !pirq )
return -EINVAL;
memset(&map, 0, sizeof(struct physdev_map_pirq));
map.domid = domid;
map.type = MAP_PIRQ_TYPE_GSI;
map.index = index;
map.pirq = *pirq < 0 ? index : *pirq;
rc = do_physdev_op(xch, PHYSDEVOP_map_pirq, &map, sizeof(map));
if ( !rc )
*pirq = map.pirq;
return rc;
}
int xc_physdev_map_pirq_msi(xc_interface *xch,
int domid,
int index,
int *pirq,
int devfn,
int bus,
int entry_nr,
uint64_t table_base)
{
int rc;
struct physdev_map_pirq map;
if ( !pirq )
return -EINVAL;
memset(&map, 0, sizeof(struct physdev_map_pirq));
map.domid = domid;
map.type = MAP_PIRQ_TYPE_MSI;
map.index = index;
map.pirq = *pirq;
map.bus = bus;
map.devfn = devfn;
map.entry_nr = entry_nr;
map.table_base = table_base;
rc = do_physdev_op(xch, PHYSDEVOP_map_pirq, &map, sizeof(map));
if ( !rc )
*pirq = map.pirq;
return rc;
}
int xc_physdev_unmap_pirq(xc_interface *xch,
int domid,
int pirq)
{
int rc;
struct physdev_unmap_pirq unmap;
memset(&unmap, 0, sizeof(struct physdev_unmap_pirq));
unmap.domid = domid;
unmap.pirq = pirq;
rc = do_physdev_op(xch, PHYSDEVOP_unmap_pirq, &unmap, sizeof(unmap));
return rc;
}
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