| 1 | /** $Id: VDIoBackendMem.h 98103 2023-01-17 14:15:46Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | *
|
|---|
| 4 | * VBox HDD container test utility, async I/O memory backend
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | * Copyright (C) 2011-2023 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_VDIoBackendMem_h
|
|---|
| 30 | #define VBOX_INCLUDED_SRC_testcase_VDIoBackendMem_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 | /** Memory backend handle. */
|
|---|
| 40 | typedef struct VDIOBACKENDMEM *PVDIOBACKENDMEM;
|
|---|
| 41 | /** Pointer to a memory backend handle. */
|
|---|
| 42 | typedef PVDIOBACKENDMEM *PPVDIOBACKENDMEM;
|
|---|
| 43 |
|
|---|
| 44 | /**
|
|---|
| 45 | * Completion handler.
|
|---|
| 46 | *
|
|---|
| 47 | * @returns nothing.
|
|---|
| 48 | * @param pvUser Opaque user data.
|
|---|
| 49 | * @param rcReq Completion code for the request.
|
|---|
| 50 | */
|
|---|
| 51 | typedef DECLCALLBACKTYPE(int, FNVDIOCOMPLETE,(void *pvUser, int rcReq));
|
|---|
| 52 | /** Pointer to a completion handler. */
|
|---|
| 53 | typedef FNVDIOCOMPLETE *PFNVDIOCOMPLETE;
|
|---|
| 54 |
|
|---|
| 55 | /**
|
|---|
| 56 | * Creates a new memory I/O backend.
|
|---|
| 57 | *
|
|---|
| 58 | * @returns IPRT status code.
|
|---|
| 59 | *
|
|---|
| 60 | * @param ppIoBackend Where to store the handle on success.
|
|---|
| 61 | */
|
|---|
| 62 | int VDIoBackendMemCreate(PPVDIOBACKENDMEM ppIoBackend);
|
|---|
| 63 |
|
|---|
| 64 | /**
|
|---|
| 65 | * Destroys a memory I/O backend.
|
|---|
| 66 | *
|
|---|
| 67 | * @returns IPRT status code.
|
|---|
| 68 | *
|
|---|
| 69 | * @param pIoBackend The backend to destroy.
|
|---|
| 70 | */
|
|---|
| 71 | int VDIoBackendMemDestroy(PVDIOBACKENDMEM pIoBackend);
|
|---|
| 72 |
|
|---|
| 73 | /**
|
|---|
| 74 | * Enqueues a new I/O request.
|
|---|
| 75 | *
|
|---|
| 76 | * @returns IPRT status code.
|
|---|
| 77 | *
|
|---|
| 78 | * @param pIoBackend The backend which should handle the
|
|---|
| 79 | * transfer.
|
|---|
| 80 | * @param pMemDisk The memory disk the request is for.
|
|---|
| 81 | * @param enmTxDir The transfer direction.
|
|---|
| 82 | * @param off Start offset of the transfer.
|
|---|
| 83 | * @param cbTransfer Size of the transfer.
|
|---|
| 84 | * @param pSgBuf S/G buffer to use.
|
|---|
| 85 | * @param pfnComplete Completion handler to call.
|
|---|
| 86 | * @param pvUser Opaque user data.
|
|---|
| 87 | */
|
|---|
| 88 | int VDIoBackendMemTransfer(PVDIOBACKENDMEM pIoBackend, PVDMEMDISK pMemDisk,
|
|---|
| 89 | VDIOTXDIR enmTxDir, uint64_t off, size_t cbTransfer,
|
|---|
| 90 | PRTSGBUF pSgBuf, PFNVDIOCOMPLETE pfnComplete, void *pvUser);
|
|---|
| 91 |
|
|---|
| 92 | #endif /* !VBOX_INCLUDED_SRC_testcase_VDIoBackendMem_h */
|
|---|
