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/*
* 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, see <http://www.gnu.org/licenses/>.
*
* Split out from xc_minios.c
*
* Copyright 2007-2008 Samuel Thibault <samuel.thibault@eu.citrix.com>.
*/
#include <mini-os/types.h>
#include <mini-os/os.h>
#include <mini-os/mm.h>
#include <mini-os/lib.h>
#include <errno.h>
#include <malloc.h>
#include "private.h"
int osdep_xencall_open(xencall_handle *xcall)
{
/* No fd required */
return 0;
}
int osdep_xencall_close(xencall_handle *xcall)
{
return 0;
}
long osdep_hypercall(xencall_handle *xcall, privcmd_hypercall_t *hypercall)
{
multicall_entry_t call;
int i, ret;
call.op = hypercall->op;
for (i = 0; i < 5; i++)
call.args[i] = hypercall->arg[i];
ret = HYPERVISOR_multicall(&call, 1);
if (ret < 0) {
errno = -ret;
return -1;
}
if ((long) call.result < 0) {
errno = - (long) call.result;
return -1;
}
return call.result;
}
void *osdep_alloc_pages(xencall_handle *xcall, size_t npages)
{
return memalign(PAGE_SIZE, npages * PAGE_SIZE);
}
void osdep_free_pages(xencall_handle *xcall, void *ptr, size_t npages)
{
free(ptr);
}
int xencall_buffers_never_fault(xencall_handle *xcall)
{
return 1;
}
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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