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grant-table.c
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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 }