| 1 | /** $Id: VDIoBackend.h 106061 2024-09-16 14:03:52Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | *
|
|---|
| 4 | * VBox HDD container test utility, async I/O backend
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | * Copyright (C) 2013-2024 Oracle and/or its affiliates.
|
|---|
| 9 | *
|
|---|
| 10 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 11 | * available from https://www.virtualbox.org.
|
|---|
| 12 | *
|
|---|
| 13 | * This program is free software; you can redistribute it and/or
|
|---|
| 14 | * modify it under the terms of the GNU General Public License
|
|---|
| 15 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 16 | * License.
|
|---|
| 17 | *
|
|---|
| 18 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 19 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 21 | * General Public License for more details.
|
|---|
| 22 | *
|
|---|
| 23 | * You should have received a copy of the GNU General Public License
|
|---|
| 24 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 25 | *
|
|---|
| 26 | * SPDX-License-Identifier: GPL-3.0-only
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | #ifndef VBOX_INCLUDED_SRC_testcase_VDIoBackend_h
|
|---|
| 30 | #define VBOX_INCLUDED_SRC_testcase_VDIoBackend_h
|
|---|
| 31 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 32 | # pragma once
|
|---|
| 33 | #endif
|
|---|
| 34 |
|
|---|
| 35 | #include <iprt/sg.h>
|
|---|
| 36 |
|
|---|
| 37 | #include "VDDefs.h"
|
|---|
| 38 |
|
|---|
| 39 | /** I/O backend handle. */
|
|---|
| 40 | typedef struct VDIOBACKEND *PVDIOBACKEND;
|
|---|
| 41 | /** Pointer to a I/O backend handle. */
|
|---|
| 42 | typedef PVDIOBACKEND *PPVDIOBACKEND;
|
|---|
| 43 |
|
|---|
| 44 | /** Storage handle. */
|
|---|
| 45 | typedef struct VDIOSTORAGE *PVDIOSTORAGE;
|
|---|
| 46 | /** Pointer to a storage handle. */
|
|---|
| 47 | typedef PVDIOSTORAGE *PPVDIOSTORAGE;
|
|---|
| 48 |
|
|---|
| 49 | /**
|
|---|
| 50 | * Completion handler.
|
|---|
| 51 | *
|
|---|
| 52 | * @returns IPRT status code.
|
|---|
| 53 | * @param pvUser Opaque user data.
|
|---|
| 54 | * @param rcReq Completion code for the request.
|
|---|
| 55 | */
|
|---|
| 56 | typedef DECLCALLBACKTYPE(int, FNVDIOCOMPLETE,(void *pvUser, int rcReq));
|
|---|
| 57 | /** Pointer to a completion handler. */
|
|---|
| 58 | typedef FNVDIOCOMPLETE *PFNVDIOCOMPLETE;
|
|---|
| 59 |
|
|---|
| 60 | /**
|
|---|
| 61 | * Creates a new memory I/O backend.
|
|---|
| 62 | *
|
|---|
| 63 | * @returns IPRT status code.
|
|---|
| 64 | *
|
|---|
| 65 | * @param ppIoBackend Where to store the handle on success.
|
|---|
| 66 | */
|
|---|
| 67 | int VDIoBackendCreate(PPVDIOBACKEND ppIoBackend);
|
|---|
| 68 |
|
|---|
| 69 | /**
|
|---|
| 70 | * Destroys a memory I/O backend.
|
|---|
| 71 | *
|
|---|
| 72 | * @param pIoBackend The backend to destroy.
|
|---|
| 73 | */
|
|---|
| 74 | void VDIoBackendDestroy(PVDIOBACKEND pIoBackend);
|
|---|
| 75 |
|
|---|
| 76 | int VDIoBackendStorageCreate(PVDIOBACKEND pIoBackend, const char *pszBackend,
|
|---|
| 77 | const char *pszName, PFNVDIOCOMPLETE pfnComplete,
|
|---|
| 78 | PPVDIOSTORAGE ppIoStorage);
|
|---|
| 79 |
|
|---|
| 80 | void VDIoBackendStorageDestroy(PVDIOSTORAGE pIoStorage);
|
|---|
| 81 |
|
|---|
| 82 | int VDIoBackendStorageSetSize(PVDIOSTORAGE pIoStorage, uint64_t cbSize);
|
|---|
| 83 |
|
|---|
| 84 | int VDIoBackendStorageGetSize(PVDIOSTORAGE pIoStorage, uint64_t *pcbSize);
|
|---|
| 85 |
|
|---|
| 86 | DECLHIDDEN(int) VDIoBackendDumpToFile(PVDIOSTORAGE pIoStorage, const char *pszPath);
|
|---|
| 87 |
|
|---|
| 88 | /**
|
|---|
| 89 | * Enqueues a new I/O request.
|
|---|
| 90 | *
|
|---|
| 91 | * @returns IPRT status code.
|
|---|
| 92 | *
|
|---|
| 93 | * @param pIoStorage Storage handle.
|
|---|
| 94 | * @param enmTxDir The transfer direction.
|
|---|
| 95 | * @param off Start offset of the transfer.
|
|---|
| 96 | * @param cbTransfer Size of the transfer.
|
|---|
| 97 | * @param pSgBuf S/G buffer to use.
|
|---|
| 98 | * @param pvUser Opaque user data.
|
|---|
| 99 | * @param fSync Flag whether to wait for the operation to complete.
|
|---|
| 100 | */
|
|---|
| 101 | int VDIoBackendTransfer(PVDIOSTORAGE pIoStorage, VDIOTXDIR enmTxDir, uint64_t off,
|
|---|
| 102 | size_t cbTransfer, PRTSGBUF pSgBuf, void *pvUser, bool fSync);
|
|---|
| 103 |
|
|---|
| 104 | #endif /* !VBOX_INCLUDED_SRC_testcase_VDIoBackend_h */
|
|---|
