VirtualBox

source: vbox/trunk/src/VBox/Storage/testcase/VDIoRnd.h@ 95830

Last change on this file since 95830 was 93115, checked in by vboxsync, 3 years ago

scm --update-copyright-year

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.7 KB
Line 
1/** @file
2 *
3 * VBox HDD container test utility - I/O data generator.
4 */
5
6/*
7 * Copyright (C) 2011-2022 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef VBOX_INCLUDED_SRC_testcase_VDIoRnd_h
19#define VBOX_INCLUDED_SRC_testcase_VDIoRnd_h
20#ifndef RT_WITHOUT_PRAGMA_ONCE
21# pragma once
22#endif
23
24/** Pointer to the I/O random number generator. */
25typedef struct VDIORND *PVDIORND;
26/** Pointer to a I/O random number generator pointer. */
27typedef PVDIORND *PPVDIORND;
28
29/**
30 * Creates a I/O RNG.
31 *
32 * @returns VBox status code.
33 *
34 * @param ppIoRnd Where to store the handle on success.
35 * @param cbPattern Size of the test pattern to create.
36 * @param uSeed Seed for the RNG.
37 */
38int VDIoRndCreate(PPVDIORND ppIoRnd, size_t cbPattern, uint64_t uSeed);
39
40/**
41 * Destroys the I/O RNG.
42 *
43 * @param pIoRnd I/O RNG handle.
44 */
45void VDIoRndDestroy(PVDIORND pIoRnd);
46
47/**
48 * Returns a pointer filled with random data of the given size.
49 *
50 * @returns VBox status code.
51 *
52 * @param pIoRnd I/O RNG handle.
53 * @param ppv Where to store the pointer on success.
54 * @param cb Size of the buffer.
55 */
56int VDIoRndGetBuffer(PVDIORND pIoRnd, void **ppv, size_t cb);
57
58uint32_t VDIoRndGetU32Ex(PVDIORND pIoRnd, uint32_t uMin, uint32_t uMax);
59#endif /* !VBOX_INCLUDED_SRC_testcase_VDIoRnd_h */
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