VirtualBox

source: vbox/trunk/src/VBox/Storage/testcase/VDIoRnd.h@ 102493

Last change on this file since 102493 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.0 KB
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1/** @file
2 *
3 * VBox HDD container test utility - I/O data generator.
4 */
5
6/*
7 * Copyright (C) 2011-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * 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 <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef VBOX_INCLUDED_SRC_testcase_VDIoRnd_h
29#define VBOX_INCLUDED_SRC_testcase_VDIoRnd_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34/** Pointer to the I/O random number generator. */
35typedef struct VDIORND *PVDIORND;
36/** Pointer to a I/O random number generator pointer. */
37typedef PVDIORND *PPVDIORND;
38
39/**
40 * Creates a I/O RNG.
41 *
42 * @returns VBox status code.
43 *
44 * @param ppIoRnd Where to store the handle on success.
45 * @param cbPattern Size of the test pattern to create.
46 * @param uSeed Seed for the RNG.
47 */
48int VDIoRndCreate(PPVDIORND ppIoRnd, size_t cbPattern, uint64_t uSeed);
49
50/**
51 * Destroys the I/O RNG.
52 *
53 * @param pIoRnd I/O RNG handle.
54 */
55void VDIoRndDestroy(PVDIORND pIoRnd);
56
57/**
58 * Returns a pointer filled with random data of the given size.
59 *
60 * @returns VBox status code.
61 *
62 * @param pIoRnd I/O RNG handle.
63 * @param ppv Where to store the pointer on success.
64 * @param cb Size of the buffer.
65 */
66int VDIoRndGetBuffer(PVDIORND pIoRnd, void **ppv, size_t cb);
67
68uint32_t VDIoRndGetU32Ex(PVDIORND pIoRnd, uint32_t uMin, uint32_t uMax);
69#endif /* !VBOX_INCLUDED_SRC_testcase_VDIoRnd_h */
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