| 1 | /* $Id: PMUInternal.h 106476 2024-10-18 12:57:36Z vboxsync $ */
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| 2 | /** @file
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| 3 | * PMU - Performance Monitoring Unit.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef VMM_INCLUDED_SRC_include_PMUInternal_h
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| 29 | #define VMM_INCLUDED_SRC_include_PMUInternal_h
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| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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| 34 | #include <VBox/vmm/pdmdev.h>
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| 35 |
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| 36 |
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| 37 | /** @defgroup grp_pmu_int Internal
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| 38 | * @ingroup grp_pmu
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| 39 | * @internal
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| 40 | * @{
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| 41 | */
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| 42 |
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| 43 |
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| 44 | #ifdef IN_RING3
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| 45 | # define VMCPU_TO_PMU_DEVINS(a_pVCpu) ((a_pVCpu)->pVMR3->pmu.s.pDevInsR3)
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| 46 | #elif defined(IN_RING0)
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| 47 | # error "Not implemented!"
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| 48 | #endif
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| 49 |
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| 50 | /**
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| 51 | * PMU PDM instance data (per-VM).
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| 52 | */
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| 53 | typedef struct PMUDEV
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| 54 | {
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| 55 | /** @todo */
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| 56 | uint8_t bDummy;
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| 57 |
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| 58 | } PMUDEV;
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| 59 | /** Pointer to a PMU device. */
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| 60 | typedef PMUDEV *PPMUDEV;
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| 61 | /** Pointer to a const PMU device. */
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| 62 | typedef PMUDEV const *PCPMUDEV;
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| 63 |
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| 64 |
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| 65 | /**
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| 66 | * PMU VM Instance data.
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| 67 | */
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| 68 | typedef struct PMU
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| 69 | {
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| 70 | /** The ring-3 device instance. */
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| 71 | PPDMDEVINSR3 pDevInsR3;
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| 72 | /** Flag whether the in-kernel (KVM/Hyper-V) PMU of the NEM backend is used. */
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| 73 | bool fNemPmu;
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| 74 | } PMU;
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| 75 | /** Pointer to PMU VM instance data. */
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| 76 | typedef PMU *PPMU;
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| 77 | /** Pointer to const PMU VM instance data. */
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| 78 | typedef PMU const *PCPMU;
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| 79 | AssertCompileSizeAlignment(PMU, 8);
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| 80 |
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| 81 | /**
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| 82 | * PMU VMCPU Instance data.
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| 83 | */
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| 84 | typedef struct PMUCPU
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| 85 | {
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| 86 | /** @name PMU statistics.
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| 87 | * @{ */
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| 88 | #ifdef VBOX_WITH_STATISTICS
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| 89 | /** Number of MSR reads in R3. */
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| 90 | STAMCOUNTER StatSysRegReadR3;
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| 91 | /** Number of MSR writes in R3. */
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| 92 | STAMCOUNTER StatSysRegWriteR3;
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| 93 | #endif
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| 94 | /** @} */
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| 95 | } PMUCPU;
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| 96 | /** Pointer to PMU VMCPU instance data. */
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| 97 | typedef PMUCPU *PPMUCPU;
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| 98 | /** Pointer to a const PMU VMCPU instance data. */
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| 99 | typedef PMUCPU const *PCPMUCPU;
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| 100 |
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| 101 | DECLCALLBACK(int) pmuR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg);
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| 102 | DECLCALLBACK(int) pmuR3Destruct(PPDMDEVINS pDevIns);
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| 103 | DECLCALLBACK(void) pmuR3Relocate(PPDMDEVINS pDevIns, RTGCINTPTR offDelta);
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| 104 | DECLCALLBACK(void) pmuR3Reset(PPDMDEVINS pDevIns);
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| 105 |
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| 106 | /** @} */
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| 107 |
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| 108 | #endif /* !VMM_INCLUDED_SRC_include_PMUInternal_h */
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| 109 |
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