cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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copy-before-write.h (1466B)

      1/*
      2 * copy-before-write filter driver
      3 *
      4 * The driver performs Copy-Before-Write (CBW) operation: it is injected above
      5 * some node, and before each write it copies _old_ data to the target node.
      6 *
      7 * Copyright (c) 2018-2021 Virtuozzo International GmbH.
      8 *
      9 * Author:
     10 *  Sementsov-Ogievskiy Vladimir <vsementsov@virtuozzo.com>
     11 *
     12 * This program is free software; you can redistribute it and/or modify
     13 * it under the terms of the GNU General Public License as published by
     14 * the Free Software Foundation; either version 2 of the License, or
     15 * (at your option) any later version.
     16 *
     17 * This program is distributed in the hope that it will be useful,
     18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     20 * GNU General Public License for more details.
     21 *
     22 * You should have received a copy of the GNU General Public License
     23 * along with this program. If not, see <http://www.gnu.org/licenses/>.
     24 */
     25
     26#ifndef COPY_BEFORE_WRITE_H
     27#define COPY_BEFORE_WRITE_H
     28
     29#include "block/block_int.h"
     30#include "block/block-copy.h"
     31
     32BlockDriverState *bdrv_cbw_append(BlockDriverState *source,
     33                                  BlockDriverState *target,
     34                                  const char *filter_node_name,
     35                                  BlockCopyState **bcs,
     36                                  Error **errp);
     37void bdrv_cbw_drop(BlockDriverState *bs);
     38
     39#endif /* COPY_BEFORE_WRITE_H */