cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

block-gen.h (1768B)

      1/*
      2 * Block coroutine wrapping core, used by auto-generated block/block-gen.c
      3 *
      4 * Copyright (c) 2003 Fabrice Bellard
      5 * Copyright (c) 2020 Virtuozzo International GmbH
      6 *
      7 * Permission is hereby granted, free of charge, to any person obtaining a copy
      8 * of this software and associated documentation files (the "Software"), to deal
      9 * in the Software without restriction, including without limitation the rights
     10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     11 * copies of the Software, and to permit persons to whom the Software is
     12 * furnished to do so, subject to the following conditions:
     13 *
     14 * The above copyright notice and this permission notice shall be included in
     15 * all copies or substantial portions of the Software.
     16 *
     17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     23 * THE SOFTWARE.
     24 */
     25
     26#ifndef BLOCK_BLOCK_GEN_H
     27#define BLOCK_BLOCK_GEN_H
     28
     29#include "block/block_int.h"
     30
     31/* Base structure for argument packing structures */
     32typedef struct BdrvPollCo {
     33    BlockDriverState *bs;
     34    bool in_progress;
     35    int ret;
     36    Coroutine *co; /* Keep pointer here for debugging */
     37} BdrvPollCo;
     38
     39static inline int bdrv_poll_co(BdrvPollCo *s)
     40{
     41    assert(!qemu_in_coroutine());
     42
     43    bdrv_coroutine_enter(s->bs, s->co);
     44    BDRV_POLL_WHILE(s->bs, s->in_progress);
     45
     46    return s->ret;
     47}
     48
     49#endif /* BLOCK_BLOCK_GEN_H */