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

progress_meter.c (2076B)

      1/*
      2 * Helper functionality for some process progress tracking.
      3 *
      4 * Copyright (c) 2011 IBM Corp.
      5 * Copyright (c) 2012, 2018 Red Hat, Inc.
      6 * Copyright (c) 2020 Virtuozzo International GmbH
      7 *
      8 * Permission is hereby granted, free of charge, to any person obtaining a copy
      9 * of this software and associated documentation files (the "Software"), to deal
     10 * in the Software without restriction, including without limitation the rights
     11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     12 * copies of the Software, and to permit persons to whom the Software is
     13 * furnished to do so, subject to the following conditions:
     14 *
     15 * The above copyright notice and this permission notice shall be included in
     16 * all copies or substantial portions of the Software.
     17 *
     18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     24 * THE SOFTWARE.
     25 */
     26#include "qemu/osdep.h"
     27#include "qemu/progress_meter.h"
     28
     29void progress_init(ProgressMeter *pm)
     30{
     31    qemu_mutex_init(&pm->lock);
     32}
     33
     34void progress_destroy(ProgressMeter *pm)
     35{
     36    qemu_mutex_destroy(&pm->lock);
     37}
     38
     39void progress_get_snapshot(ProgressMeter *pm, uint64_t *current,
     40                           uint64_t *total)
     41{
     42    QEMU_LOCK_GUARD(&pm->lock);
     43
     44    *current = pm->current;
     45    *total = pm->total;
     46}
     47
     48void progress_work_done(ProgressMeter *pm, uint64_t done)
     49{
     50    QEMU_LOCK_GUARD(&pm->lock);
     51    pm->current += done;
     52}
     53
     54void progress_set_remaining(ProgressMeter *pm, uint64_t remaining)
     55{
     56    QEMU_LOCK_GUARD(&pm->lock);
     57    pm->total = pm->current + remaining;
     58}
     59
     60void progress_increase_remaining(ProgressMeter *pm, uint64_t delta)
     61{
     62    QEMU_LOCK_GUARD(&pm->lock);
     63    pm->total += delta;
     64}