From 16f504a9dca3fe3b70568f67b7d41241ae485288 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:49:04 +0200 Subject: Adding upstream version 7.0.6-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Storage/testcase/VDIoRnd.h | 69 +++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 src/VBox/Storage/testcase/VDIoRnd.h (limited to 'src/VBox/Storage/testcase/VDIoRnd.h') diff --git a/src/VBox/Storage/testcase/VDIoRnd.h b/src/VBox/Storage/testcase/VDIoRnd.h new file mode 100644 index 00000000..e95dab13 --- /dev/null +++ b/src/VBox/Storage/testcase/VDIoRnd.h @@ -0,0 +1,69 @@ +/** @file + * + * VBox HDD container test utility - I/O data generator. + */ + +/* + * Copyright (C) 2011-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#ifndef VBOX_INCLUDED_SRC_testcase_VDIoRnd_h +#define VBOX_INCLUDED_SRC_testcase_VDIoRnd_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +/** Pointer to the I/O random number generator. */ +typedef struct VDIORND *PVDIORND; +/** Pointer to a I/O random number generator pointer. */ +typedef PVDIORND *PPVDIORND; + +/** + * Creates a I/O RNG. + * + * @returns VBox status code. + * + * @param ppIoRnd Where to store the handle on success. + * @param cbPattern Size of the test pattern to create. + * @param uSeed Seed for the RNG. + */ +int VDIoRndCreate(PPVDIORND ppIoRnd, size_t cbPattern, uint64_t uSeed); + +/** + * Destroys the I/O RNG. + * + * @param pIoRnd I/O RNG handle. + */ +void VDIoRndDestroy(PVDIORND pIoRnd); + +/** + * Returns a pointer filled with random data of the given size. + * + * @returns VBox status code. + * + * @param pIoRnd I/O RNG handle. + * @param ppv Where to store the pointer on success. + * @param cb Size of the buffer. + */ +int VDIoRndGetBuffer(PVDIORND pIoRnd, void **ppv, size_t cb); + +uint32_t VDIoRndGetU32Ex(PVDIORND pIoRnd, uint32_t uMin, uint32_t uMax); +#endif /* !VBOX_INCLUDED_SRC_testcase_VDIoRnd_h */ -- cgit v1.2.3