1 /******************************************************************************
2 * grant_table.c
3 * ARM specific part
4 *
5 * Granting foreign access to our memory reservation.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License version 2
9 * as published by the Free Software Foundation; or, when distributed
10 * separately from the Linux kernel or incorporated into other
11 * software packages, subject to the following license:
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining a copy
14 * of this source file (the "Software"), to deal in the Software without
15 * restriction, including without limitation the rights to use, copy, modify,
16 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
17 * and to permit persons to whom the Software is furnished to do so, subject to
18 * the following conditions:
19 *
20 * The above copyright notice and this permission notice shall be included in
21 * all copies or substantial portions of the Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29 * IN THE SOFTWARE.
30 */
31
32 #include <xen/interface/xen.h>
33 #include <xen/page.h>
34 #include <xen/grant_table.h>
35
36 int arch_gnttab_map_shared(xen_pfn_t *frames, unsigned long nr_gframes,
37 unsigned long max_nr_gframes,
38 void **__shared)
39 {
40 return -ENOSYS;
41 }
42
43 void arch_gnttab_unmap(void *shared, unsigned long nr_gframes)
44 {
45 return;
46 }
47
48 int arch_gnttab_map_status(uint64_t *frames, unsigned long nr_gframes,
49 unsigned long max_nr_gframes,
50 grant_status_t **__shared)
51 {
52 return -ENOSYS;
53 }
54
55 int arch_gnttab_init(unsigned long nr_shared, unsigned long nr_status)
56 {
57 return 0;
58 }