cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

grant-table.c (2114B)

      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
     36int 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
     43void arch_gnttab_unmap(void *shared, unsigned long nr_gframes)
     44{
     45	return;
     46}
     47
     48int 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
     55int arch_gnttab_init(unsigned long nr_shared, unsigned long nr_status)
     56{
     57	return 0;
     58}