xref: /openbmc/linux/arch/arm/xen/grant-table.c (revision 226f52e931ae6235d221629e6a8497fb111cfcd4)
1*226f52e9SStefano Stabellini /******************************************************************************
2*226f52e9SStefano Stabellini  * grant_table.c
3*226f52e9SStefano Stabellini  * ARM specific part
4*226f52e9SStefano Stabellini  *
5*226f52e9SStefano Stabellini  * Granting foreign access to our memory reservation.
6*226f52e9SStefano Stabellini  *
7*226f52e9SStefano Stabellini  * This program is free software; you can redistribute it and/or
8*226f52e9SStefano Stabellini  * modify it under the terms of the GNU General Public License version 2
9*226f52e9SStefano Stabellini  * as published by the Free Software Foundation; or, when distributed
10*226f52e9SStefano Stabellini  * separately from the Linux kernel or incorporated into other
11*226f52e9SStefano Stabellini  * software packages, subject to the following license:
12*226f52e9SStefano Stabellini  *
13*226f52e9SStefano Stabellini  * Permission is hereby granted, free of charge, to any person obtaining a copy
14*226f52e9SStefano Stabellini  * of this source file (the "Software"), to deal in the Software without
15*226f52e9SStefano Stabellini  * restriction, including without limitation the rights to use, copy, modify,
16*226f52e9SStefano Stabellini  * merge, publish, distribute, sublicense, and/or sell copies of the Software,
17*226f52e9SStefano Stabellini  * and to permit persons to whom the Software is furnished to do so, subject to
18*226f52e9SStefano Stabellini  * the following conditions:
19*226f52e9SStefano Stabellini  *
20*226f52e9SStefano Stabellini  * The above copyright notice and this permission notice shall be included in
21*226f52e9SStefano Stabellini  * all copies or substantial portions of the Software.
22*226f52e9SStefano Stabellini  *
23*226f52e9SStefano Stabellini  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24*226f52e9SStefano Stabellini  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25*226f52e9SStefano Stabellini  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26*226f52e9SStefano Stabellini  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27*226f52e9SStefano Stabellini  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28*226f52e9SStefano Stabellini  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29*226f52e9SStefano Stabellini  * IN THE SOFTWARE.
30*226f52e9SStefano Stabellini  */
31*226f52e9SStefano Stabellini 
32*226f52e9SStefano Stabellini #include <xen/interface/xen.h>
33*226f52e9SStefano Stabellini #include <xen/page.h>
34*226f52e9SStefano Stabellini #include <xen/grant_table.h>
35*226f52e9SStefano Stabellini 
36*226f52e9SStefano Stabellini int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes,
37*226f52e9SStefano Stabellini 			   unsigned long max_nr_gframes,
38*226f52e9SStefano Stabellini 			   void **__shared)
39*226f52e9SStefano Stabellini {
40*226f52e9SStefano Stabellini 	return -ENOSYS;
41*226f52e9SStefano Stabellini }
42*226f52e9SStefano Stabellini 
43*226f52e9SStefano Stabellini void arch_gnttab_unmap(void *shared, unsigned long nr_gframes)
44*226f52e9SStefano Stabellini {
45*226f52e9SStefano Stabellini 	return;
46*226f52e9SStefano Stabellini }
47*226f52e9SStefano Stabellini 
48*226f52e9SStefano Stabellini int arch_gnttab_map_status(uint64_t *frames, unsigned long nr_gframes,
49*226f52e9SStefano Stabellini 			   unsigned long max_nr_gframes,
50*226f52e9SStefano Stabellini 			   grant_status_t **__shared)
51*226f52e9SStefano Stabellini {
52*226f52e9SStefano Stabellini 	return -ENOSYS;
53*226f52e9SStefano Stabellini }
54