block_int.h

/*
 * QEMU System Emulator block driver
 *
 * Copyright (c) 2003 Fabrice Bellard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#ifndef BLOCK_INT_H
#define BLOCK_INT_H

#include "block.h"
#include "qemu-option.h"
#include "qemu-queue.h"
#include "qemu-coroutine.h"
#include "qemu-timer.h"
#include "qapi-types.h"

#define BLOCK_FLAG_ENCRYPT	1
#define BLOCK_FLAG_COMPAT6	4

#define BLOCK_IO_LIMIT_READ     0
#define BLOCK_IO_LIMIT_WRITE    1
#define BLOCK_IO_LIMIT_TOTAL    2

#define BLOCK_IO_SLICE_TIME     100000000
#define NANOSECONDS_PER_SECOND  1000000000.0

#define BLOCK_OPT_SIZE          "size"
#define BLOCK_OPT_ENCRYPT       "encryption"
#define BLOCK_OPT_COMPAT6       "compat6"
#define BLOCK_OPT_BACKING_FILE  "backing_file"
#define BLOCK_OPT_BACKING_FMT   "backing_fmt"
#define BLOCK_OPT_CLUSTER_SIZE  "cluster_size"
#define BLOCK_OPT_TABLE_SIZE    "table_size"
#define BLOCK_OPT_PREALLOC      "preallocation"
#define BLOCK_OPT_SUBFMT        "subformat"
#define BLOCK_OPT_COMPAT_LEVEL  "compat"

typedef struct BdrvTrackedRequest BdrvTrackedRequest;

typedef struct BlockIOLimit {
    int64_t bps[3];
    int64_t iops[3];
} BlockIOLimit;

typedef struct BlockIOBaseValue {
    uint64_t bytes[2];
    uint64_t ios[2];
} BlockIOBaseValue;

typedef struct BlockJob BlockJob;

/**
 * BlockJobType: