| 1 | /* $Id: gvmm.h 32489 2010-09-14 15:50:31Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * GVMM - The Global VM Manager. (VMM)
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2007 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 | #ifndef ___VBox_gvmm_h
|
|---|
| 28 | #define ___VBox_gvmm_h
|
|---|
| 29 |
|
|---|
| 30 | #include <VBox/cdefs.h>
|
|---|
| 31 | #include <VBox/types.h>
|
|---|
| 32 | #include <VBox/sup.h>
|
|---|
| 33 |
|
|---|
| 34 | RT_C_DECLS_BEGIN
|
|---|
| 35 |
|
|---|
| 36 | /** @defgroup grp_GVMM GVMM - The Global VM Manager.
|
|---|
| 37 | * @{
|
|---|
| 38 | */
|
|---|
| 39 |
|
|---|
| 40 | /** @def IN_GVMM_R0
|
|---|
| 41 | * Used to indicate whether we're inside the same link module as the ring 0
|
|---|
| 42 | * part of the Global VM Manager or not.
|
|---|
| 43 | */
|
|---|
| 44 | #ifdef DOXYGEN_RUNNING
|
|---|
| 45 | # define IN_GVMM_R0
|
|---|
| 46 | #endif
|
|---|
| 47 | /** @def GVMMR0DECL
|
|---|
| 48 | * Ring 0 VM export or import declaration.
|
|---|
| 49 | * @param type The return type of the function declaration.
|
|---|
| 50 | */
|
|---|
| 51 | #ifdef IN_GVMM_R0
|
|---|
| 52 | # define GVMMR0DECL(type) DECLEXPORT(type) VBOXCALL
|
|---|
| 53 | #else
|
|---|
| 54 | # define GVMMR0DECL(type) DECLIMPORT(type) VBOXCALL
|
|---|
| 55 | #endif
|
|---|
| 56 |
|
|---|
| 57 | /** @def NIL_GVM_HANDLE
|
|---|
| 58 | * The nil GVM VM handle value (VM::hSelf).
|
|---|
| 59 | */
|
|---|
| 60 | #define NIL_GVM_HANDLE 0
|
|---|
| 61 |
|
|---|
| 62 |
|
|---|
| 63 | /**
|
|---|
| 64 | * The scheduler statistics
|
|---|
| 65 | */
|
|---|
| 66 | typedef struct GVMMSTATSSCHED
|
|---|
| 67 | {
|
|---|
| 68 | /** The number of calls to GVMMR0SchedHalt. */
|
|---|
| 69 | uint64_t cHaltCalls;
|
|---|
| 70 | /** The number of times we did go to sleep in GVMMR0SchedHalt. */
|
|---|
| 71 | uint64_t cHaltBlocking;
|
|---|
| 72 | /** The number of times we timed out in GVMMR0SchedHalt. */
|
|---|
| 73 | uint64_t cHaltTimeouts;
|
|---|
| 74 | /** The number of times we didn't go to sleep in GVMMR0SchedHalt. */
|
|---|
| 75 | uint64_t cHaltNotBlocking;
|
|---|
| 76 | /** The number of wake ups done during GVMMR0SchedHalt. */
|
|---|
| 77 | uint64_t cHaltWakeUps;
|
|---|
| 78 |
|
|---|
| 79 | /** The number of calls to GVMMR0WakeUp. */
|
|---|
| 80 | uint64_t cWakeUpCalls;
|
|---|
| 81 | /** The number of times the EMT thread wasn't actually halted when GVMMR0WakeUp
|
|---|
| 82 | * was called. */
|
|---|
| 83 | uint64_t cWakeUpNotHalted;
|
|---|
| 84 | /** The number of wake ups done during GVMMR0WakeUp (not counting the explicit
|
|---|
| 85 | * one). */
|
|---|
| 86 | uint64_t cWakeUpWakeUps;
|
|---|
| 87 |
|
|---|
| 88 | /** The number of calls to GVMMR0Poke. */
|
|---|
| 89 | uint64_t cPokeCalls;
|
|---|
| 90 | /** The number of times the EMT thread wasn't actually busy when
|
|---|
| 91 | * GVMMR0Poke was called. */
|
|---|
| 92 | uint64_t cPokeNotBusy;
|
|---|
| 93 |
|
|---|
| 94 | /** The number of calls to GVMMR0SchedPoll. */
|
|---|
| 95 | uint64_t cPollCalls;
|
|---|
| 96 | /** The number of times the EMT has halted in a GVMMR0SchedPoll call. */
|
|---|
| 97 | uint64_t cPollHalts;
|
|---|
| 98 | /** The number of wake ups done during GVMMR0SchedPoll. */
|
|---|
| 99 | uint64_t cPollWakeUps;
|
|---|
| 100 |
|
|---|
| 101 | uint64_t u64Alignment; /**< padding */
|
|---|
| 102 | } GVMMSTATSSCHED;
|
|---|
| 103 | /** Pointer to the GVMM scheduler statistics. */
|
|---|
| 104 | typedef GVMMSTATSSCHED *PGVMMSTATSSCHED;
|
|---|
| 105 |
|
|---|
| 106 | /**
|
|---|
| 107 | * The GMM statistics.
|
|---|
| 108 | */
|
|---|
| 109 | typedef struct GVMMSTATS
|
|---|
| 110 | {
|
|---|
| 111 | /** The VM statistics if a VM was specified. */
|
|---|
| 112 | GVMMSTATSSCHED SchedVM;
|
|---|
| 113 | /** The sum statistics of all VMs accessible to the caller. */
|
|---|
| 114 | GVMMSTATSSCHED SchedSum;
|
|---|
| 115 | /** The number of VMs accessible to the caller. */
|
|---|
| 116 | uint32_t cVMs;
|
|---|
| 117 | /** The number of emulation threads in those VMs. */
|
|---|
| 118 | uint32_t cEMTs;
|
|---|
| 119 | } GVMMSTATS;
|
|---|
| 120 | /** Pointer to the GVMM statistics. */
|
|---|
| 121 | typedef GVMMSTATS *PGVMMSTATS;
|
|---|
| 122 | /** Const pointer to the GVMM statistics. */
|
|---|
| 123 | typedef const GVMMSTATS *PCGVMMSTATS;
|
|---|
| 124 |
|
|---|
| 125 |
|
|---|
| 126 |
|
|---|
| 127 | GVMMR0DECL(int) GVMMR0Init(void);
|
|---|
| 128 | GVMMR0DECL(void) GVMMR0Term(void);
|
|---|
| 129 | GVMMR0DECL(int) GVMMR0SetConfig(PSUPDRVSESSION pSession, const char *pszName, uint64_t u64Value);
|
|---|
| 130 | GVMMR0DECL(int) GVMMR0QueryConfig(PSUPDRVSESSION pSession, const char *pszName, uint64_t *pu64Value);
|
|---|
| 131 |
|
|---|
| 132 | GVMMR0DECL(int) GVMMR0CreateVM(PSUPDRVSESSION pSession, uint32_t cCpus, PVM *ppVM);
|
|---|
| 133 | GVMMR0DECL(int) GVMMR0InitVM(PVM pVM);
|
|---|
| 134 | GVMMR0DECL(void) GVMMR0DoneInitVM(PVM pVM);
|
|---|
| 135 | GVMMR0DECL(bool) GVMMR0DoingTermVM(PVM pVM, PGVM pGVM);
|
|---|
| 136 | GVMMR0DECL(int) GVMMR0DestroyVM(PVM pVM);
|
|---|
| 137 | GVMMR0DECL(int) GVMMR0RegisterVCpu(PVM pVM, VMCPUID idCpu);
|
|---|
| 138 | GVMMR0DECL(PGVM) GVMMR0ByHandle(uint32_t hGVM);
|
|---|
| 139 | GVMMR0DECL(int) GVMMR0ByVM(PVM pVM, PGVM *ppGVM);
|
|---|
| 140 | GVMMR0DECL(int) GVMMR0ByVMAndEMT(PVM pVM, VMCPUID idCpu, PGVM *ppGVM);
|
|---|
| 141 | GVMMR0DECL(PVM) GVMMR0GetVMByHandle(uint32_t hGVM);
|
|---|
| 142 | GVMMR0DECL(PVM) GVMMR0GetVMByEMT(RTNATIVETHREAD hEMT);
|
|---|
| 143 | GVMMR0DECL(int) GVMMR0SchedHalt(PVM pVM, VMCPUID idCpu, uint64_t u64ExpireGipTime);
|
|---|
| 144 | GVMMR0DECL(int) GVMMR0SchedWakeUp(PVM pVM, VMCPUID idCpu);
|
|---|
| 145 | GVMMR0DECL(int) GVMMR0SchedWakeUpEx(PVM pVM, VMCPUID idCpu, bool fTakeUsedLock);
|
|---|
| 146 | GVMMR0DECL(int) GVMMR0SchedPoke(PVM pVM, VMCPUID idCpu);
|
|---|
| 147 | GVMMR0DECL(int) GVMMR0SchedPokeEx(PVM pVM, VMCPUID idCpu, bool fTakeUsedLock);
|
|---|
| 148 | GVMMR0DECL(int) GVMMR0SchedWakeUpAndPokeCpus(PVM pVM, PCVMCPUSET pSleepSet, PCVMCPUSET pPokeSet);
|
|---|
| 149 | GVMMR0DECL(int) GVMMR0SchedPoll(PVM pVM, VMCPUID idCpu, bool fYield);
|
|---|
| 150 | GVMMR0DECL(void) GVMMR0SchedUpdatePeriodicPreemptionTimer(PVM pVM, RTCPUID idHostCpu, uint32_t uHz);
|
|---|
| 151 | GVMMR0DECL(int) GVMMR0QueryStatistics(PGVMMSTATS pStats, PSUPDRVSESSION pSession, PVM pVM);
|
|---|
| 152 | GVMMR0DECL(int) GVMMR0ResetStatistics(PCGVMMSTATS pStats, PSUPDRVSESSION pSession, PVM pVM);
|
|---|
| 153 |
|
|---|
| 154 |
|
|---|
| 155 | /**
|
|---|
| 156 | * Request packet for calling GVMMR0CreateVM.
|
|---|
| 157 | */
|
|---|
| 158 | typedef struct GVMMCREATEVMREQ
|
|---|
| 159 | {
|
|---|
| 160 | /** The request header. */
|
|---|
| 161 | SUPVMMR0REQHDR Hdr;
|
|---|
| 162 | /** The support driver session. (IN) */
|
|---|
| 163 | PSUPDRVSESSION pSession;
|
|---|
| 164 | /** Number of virtual CPUs for the new VM. (IN) */
|
|---|
| 165 | uint32_t cCpus;
|
|---|
| 166 | /** Pointer to the ring-3 mapping of the shared VM structure on return. (OUT) */
|
|---|
| 167 | PVMR3 pVMR3;
|
|---|
| 168 | /** Pointer to the ring-0 mapping of the shared VM structure on return. (OUT) */
|
|---|
| 169 | PVMR0 pVMR0;
|
|---|
| 170 | } GVMMCREATEVMREQ;
|
|---|
| 171 | /** Pointer to a GVMMR0CreateVM request packet. */
|
|---|
| 172 | typedef GVMMCREATEVMREQ *PGVMMCREATEVMREQ;
|
|---|
| 173 |
|
|---|
| 174 | GVMMR0DECL(int) GVMMR0CreateVMReq(PGVMMCREATEVMREQ pReq);
|
|---|
| 175 |
|
|---|
| 176 |
|
|---|
| 177 | /**
|
|---|
| 178 | * Request buffer for GVMMR0SchedWakeUpAndPokeCpusReq / VMMR0_DO_GVMM_SCHED_WAKE_UP_AND_POKE_CPUS.
|
|---|
| 179 | * @see GVMMR0SchedWakeUpAndPokeCpus.
|
|---|
| 180 | */
|
|---|
| 181 | typedef struct GVMMSCHEDWAKEUPANDPOKECPUSREQ /* nice and unreadable... */
|
|---|
| 182 | {
|
|---|
| 183 | /** The header. */
|
|---|
| 184 | SUPVMMR0REQHDR Hdr;
|
|---|
| 185 | /** The sleeper set. */
|
|---|
| 186 | VMCPUSET SleepSet;
|
|---|
| 187 | /** The set of virtual CPUs to poke. */
|
|---|
| 188 | VMCPUSET PokeSet;
|
|---|
| 189 | } GVMMSCHEDWAKEUPANDPOKECPUSREQ;
|
|---|
| 190 | /** Pointer to a GVMMR0QueryStatisticsReq / VMMR0_DO_GVMM_QUERY_STATISTICS request buffer. */
|
|---|
| 191 | typedef GVMMSCHEDWAKEUPANDPOKECPUSREQ *PGVMMSCHEDWAKEUPANDPOKECPUSREQ;
|
|---|
| 192 |
|
|---|
| 193 | GVMMR0DECL(int) GVMMR0SchedWakeUpAndPokeCpusReq(PVM pVM, PGVMMSCHEDWAKEUPANDPOKECPUSREQ pReq);
|
|---|
| 194 |
|
|---|
| 195 |
|
|---|
| 196 | /**
|
|---|
| 197 | * Request buffer for GVMMR0QueryStatisticsReq / VMMR0_DO_GVMM_QUERY_STATISTICS.
|
|---|
| 198 | * @see GVMMR0QueryStatistics.
|
|---|
| 199 | */
|
|---|
| 200 | typedef struct GVMMQUERYSTATISTICSSREQ
|
|---|
| 201 | {
|
|---|
| 202 | /** The header. */
|
|---|
| 203 | SUPVMMR0REQHDR Hdr;
|
|---|
| 204 | /** The support driver session. */
|
|---|
| 205 | PSUPDRVSESSION pSession;
|
|---|
| 206 | /** The statistics. */
|
|---|
| 207 | GVMMSTATS Stats;
|
|---|
| 208 | } GVMMQUERYSTATISTICSSREQ;
|
|---|
| 209 | /** Pointer to a GVMMR0QueryStatisticsReq / VMMR0_DO_GVMM_QUERY_STATISTICS request buffer. */
|
|---|
| 210 | typedef GVMMQUERYSTATISTICSSREQ *PGVMMQUERYSTATISTICSSREQ;
|
|---|
| 211 |
|
|---|
| 212 | GVMMR0DECL(int) GVMMR0QueryStatisticsReq(PVM pVM, PGVMMQUERYSTATISTICSSREQ pReq);
|
|---|
| 213 |
|
|---|
| 214 |
|
|---|
| 215 | /**
|
|---|
| 216 | * Request buffer for GVMMR0ResetStatisticsReq / VMMR0_DO_GVMM_RESET_STATISTICS.
|
|---|
| 217 | * @see GVMMR0ResetStatistics.
|
|---|
| 218 | */
|
|---|
| 219 | typedef struct GVMMRESETSTATISTICSSREQ
|
|---|
| 220 | {
|
|---|
| 221 | /** The header. */
|
|---|
| 222 | SUPVMMR0REQHDR Hdr;
|
|---|
| 223 | /** The support driver session. */
|
|---|
| 224 | PSUPDRVSESSION pSession;
|
|---|
| 225 | /** The statistics to reset.
|
|---|
| 226 | * Any non-zero entry will be reset (if permitted). */
|
|---|
| 227 | GVMMSTATS Stats;
|
|---|
| 228 | } GVMMRESETSTATISTICSSREQ;
|
|---|
| 229 | /** Pointer to a GVMMR0ResetStatisticsReq / VMMR0_DO_GVMM_RESET_STATISTICS request buffer. */
|
|---|
| 230 | typedef GVMMRESETSTATISTICSSREQ *PGVMMRESETSTATISTICSSREQ;
|
|---|
| 231 |
|
|---|
| 232 | GVMMR0DECL(int) GVMMR0ResetStatisticsReq(PVM pVM, PGVMMRESETSTATISTICSSREQ pReq);
|
|---|
| 233 |
|
|---|
| 234 |
|
|---|
| 235 | /** @} */
|
|---|
| 236 |
|
|---|
| 237 | RT_C_DECLS_END
|
|---|
| 238 |
|
|---|
| 239 | #endif
|
|---|
| 240 |
|
|---|
