| 1 | /* $Id: mp-r0drv.h 98103 2023-01-17 14:15:46Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - Multiprocessor, Ring-0 Driver, Internal Header.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2008-2023 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 | * The contents of this file may alternatively be used under the terms
|
|---|
| 26 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
|
|---|
| 28 | * in the VirtualBox distribution, in which case the provisions of the
|
|---|
| 29 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 30 | *
|
|---|
| 31 | * You may elect to license modified versions of this file under the
|
|---|
| 32 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 33 | *
|
|---|
| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 | #ifndef IPRT_INCLUDED_SRC_r0drv_mp_r0drv_h
|
|---|
| 38 | #define IPRT_INCLUDED_SRC_r0drv_mp_r0drv_h
|
|---|
| 39 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 40 | # pragma once
|
|---|
| 41 | #endif
|
|---|
| 42 |
|
|---|
| 43 | #include <iprt/mp.h>
|
|---|
| 44 |
|
|---|
| 45 | RT_C_DECLS_BEGIN
|
|---|
| 46 |
|
|---|
| 47 | /**
|
|---|
| 48 | * MP callback
|
|---|
| 49 | *
|
|---|
| 50 | * @param idCpu CPU id
|
|---|
| 51 | * @param pvUser1 The first user argument.
|
|---|
| 52 | * @param pvUser2 The second user argument.
|
|---|
| 53 | */
|
|---|
| 54 | typedef DECLCALLBACKTYPE(void, FNMPWORKER,(RTCPUID idCpu, void *pvUser1, void *pvUser2));
|
|---|
| 55 | /** Pointer to a FNMPWORKER(). */
|
|---|
| 56 | typedef FNMPWORKER *PFNMPWORKER;
|
|---|
| 57 |
|
|---|
| 58 | /**
|
|---|
| 59 | * RTMpOn* argument packet used by the host specific callback
|
|---|
| 60 | * wrapper functions.
|
|---|
| 61 | */
|
|---|
| 62 | typedef struct RTMPARGS
|
|---|
| 63 | {
|
|---|
| 64 | PFNMPWORKER pfnWorker;
|
|---|
| 65 | void *pvUser1;
|
|---|
| 66 | void *pvUser2;
|
|---|
| 67 | RTCPUID idCpu;
|
|---|
| 68 | RTCPUID idCpu2;
|
|---|
| 69 | uint32_t volatile cHits;
|
|---|
| 70 | #ifdef RT_OS_WINDOWS
|
|---|
| 71 | /** Turns out that KeFlushQueuedDpcs doesn't necessarily wait till all
|
|---|
| 72 | * callbacks are done. So, do reference counting to make sure we don't free
|
|---|
| 73 | * this structure befor all CPUs have completely handled their requests. */
|
|---|
| 74 | int32_t volatile cRefs;
|
|---|
| 75 | #endif
|
|---|
| 76 | #ifdef RT_OS_LINUX
|
|---|
| 77 | PRTCPUSET pWorkerSet;
|
|---|
| 78 | #endif
|
|---|
| 79 | } RTMPARGS;
|
|---|
| 80 | /** Pointer to a RTMpOn* argument packet. */
|
|---|
| 81 | typedef RTMPARGS *PRTMPARGS;
|
|---|
| 82 |
|
|---|
| 83 | /* Called from initterm-r0drv.cpp: */
|
|---|
| 84 | DECLHIDDEN(int) rtR0MpNotificationInit(void);
|
|---|
| 85 | DECLHIDDEN(void) rtR0MpNotificationTerm(void);
|
|---|
| 86 |
|
|---|
| 87 | /* The following is only relevant when using mpnotifcation-r0drv.cpp: */
|
|---|
| 88 | DECLHIDDEN(int) rtR0MpNotificationNativeInit(void);
|
|---|
| 89 | DECLHIDDEN(void) rtR0MpNotificationNativeTerm(void);
|
|---|
| 90 | DECLHIDDEN(void) rtMpNotificationDoCallbacks(RTMPEVENT enmEvent, RTCPUID idCpu);
|
|---|
| 91 |
|
|---|
| 92 | RT_C_DECLS_END
|
|---|
| 93 |
|
|---|
| 94 | #endif /* !IPRT_INCLUDED_SRC_r0drv_mp_r0drv_h */
|
|---|
| 95 |
|
|---|
