aboutsummaryrefslogtreecommitdiffstats
path: root/tools/libxc/xc_acm.c
blob: abe35712ed9a0f8f08e9952788b16e8c7cd7bcbc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/******************************************************************************
 * xc_acm.c
 *
 * Copyright (C) 2005, 2006 IBM Corporation, R Sailer
 *
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, version 2 of the
 * License.
 */

#include "xc_private.h"

int xc_acm_op(int xc_handle, int cmd, void *arg, unsigned long arg_size)
{
    int ret = -1;
    DECLARE_HYPERCALL;

    hypercall.op = __HYPERVISOR_acm_op;
    hypercall.arg[0] = cmd;
    hypercall.arg[1] = (unsigned long) arg;

    if (lock_pages(arg, arg_size) != 0) {
        PERROR("xc_acm_op: arg lock failed");
        goto out;
    }
    ret = do_xen_hypercall(xc_handle, &hypercall);
    unlock_pages(arg, arg_size);
 out:
    return ret;
}

/*
 * Local variables:
 * mode: C
 * c-set-style: "BSD"
 * c-basic-offset: 4
 * tab-width: 4
 * indent-tabs-mode: nil
 * End:
 */