Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 322 insertions, 0 deletions

diff --git a/include/VBox/vmm/tm.h b/include/VBox/vmm/tm.h
new file mode 100644
index 00000000..2bd62d3a
--- /dev/null
+++ b/include/VBox/vmm/tm.h
@@ -0,0 +1,322 @@
+/** @file
+ * TM - Time Manager.
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef VBOX_INCLUDED_vmm_tm_h
+#define VBOX_INCLUDED_vmm_tm_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/types.h>
+#ifdef IN_RING3
+# include <iprt/time.h>
+#endif
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_tm        The Time Manager API
+ * @ingroup grp_vmm
+ * @{
+ */
+
+/** Enable a timer hack which improves the timer response/resolution a bit. */
+#define VBOX_HIGH_RES_TIMERS_HACK
+
+
+/**
+ * Clock type.
+ */
+typedef enum TMCLOCK
+{
+    /** Real host time.
+     * This clock ticks all the time, so use with care. */
+    TMCLOCK_REAL = 0,
+    /** Virtual guest time.
+     * This clock only ticks when the guest is running.  It's implemented
+     * as an offset to monotonic real time (GIP). */
+    TMCLOCK_VIRTUAL,
+    /** Virtual guest synchronized timer time.
+     * This is a special clock and timer queue for synchronizing virtual timers
+     * and virtual time sources.  This clock is trying to keep up with
+     * TMCLOCK_VIRTUAL, but will wait for timers to be executed.  If it lags
+     * too far behind TMCLOCK_VIRTUAL, it will try speed up to close the
+     * distance.
+     * @remarks Do not use this unless you really *must*. */
+    TMCLOCK_VIRTUAL_SYNC,
+    /** Virtual CPU timestamp.
+     * By default this is a function of TMCLOCK_VIRTUAL_SYNC and the virtual
+     * CPU frequency. */
+    TMCLOCK_TSC,
+    /** Number of clocks. */
+    TMCLOCK_MAX
+} TMCLOCK;
+
+
+/** @defgroup grp_tm_timer_flags Timer flags.
+ * @{ */
+/** Use the default critical section for the class of timers. */
+#define TMTIMER_FLAGS_DEFAULT_CRIT_SECT 0
+/** No critical section needed or a custom one is set using
+ *  TMR3TimerSetCritSect(). */
+#define TMTIMER_FLAGS_NO_CRIT_SECT      RT_BIT_32(0)
+/** Used in ring-0.  Must set this or TMTIMER_FLAGS_NO_RING0. */
+#define TMTIMER_FLAGS_RING0             RT_BIT_32(1)
+/** Not used in ring-0 (for refactoring and doc purposes). */
+#define TMTIMER_FLAGS_NO_RING0          RT_BIT_32(31)
+/** @} */
+
+
+VMMDECL(void)           TMNotifyStartOfExecution(PVMCC pVM, PVMCPUCC pVCpu);
+VMMDECL(void)           TMNotifyEndOfExecution(PVMCC pVM, PVMCPUCC pVCpu, uint64_t uTsc);
+VMM_INT_DECL(void)      TMNotifyStartOfHalt(PVMCPUCC pVCpu);
+VMM_INT_DECL(void)      TMNotifyEndOfHalt(PVMCPUCC pVCpu);
+#ifdef IN_RING3
+VMMR3DECL(int)          TMR3NotifySuspend(PVM pVM, PVMCPU pVCpu);
+VMMR3DECL(int)          TMR3NotifyResume(PVM pVM, PVMCPU pVCpu);
+VMMR3DECL(int)          TMR3SetWarpDrive(PUVM pUVM, uint32_t u32Percent);
+VMMR3DECL(uint32_t)     TMR3GetWarpDrive(PUVM pUVM);
+#endif
+VMM_INT_DECL(uint32_t)  TMCalcHostTimerFrequency(PVMCC pVM, PVMCPUCC pVCpu);
+#ifdef IN_RING3
+VMMR3DECL(int)          TMR3GetCpuLoadTimes(PVM pVM, VMCPUID idCpu, uint64_t *pcNsTotal, uint64_t *pcNsExecuting,
+                                            uint64_t *pcNsHalted, uint64_t *pcNsOther);
+VMMR3DECL(int)          TMR3GetCpuLoadPercents(PUVM pVUM, VMCPUID idCpu, uint64_t *pcMsInterval, uint8_t *pcPctExecuting,
+                                               uint8_t *pcPctHalted, uint8_t *pcPctOther);
+#endif
+
+
+/** @name Real Clock Methods
+ * @{
+ */
+VMM_INT_DECL(uint64_t)  TMRealGet(PVM pVM);
+VMM_INT_DECL(uint64_t)  TMRealGetFreq(PVM pVM);
+/** @} */
+
+
+/** @name Virtual Clock Methods
+ * @{
+ */
+VMM_INT_DECL(uint64_t)  TMVirtualGet(PVMCC pVM);
+VMM_INT_DECL(uint64_t)  TMVirtualGetNoCheck(PVMCC pVM);
+VMM_INT_DECL(uint64_t)  TMVirtualSyncGetLag(PVMCC pVM);
+VMM_INT_DECL(uint32_t)  TMVirtualSyncGetCatchUpPct(PVMCC pVM);
+VMM_INT_DECL(uint64_t)  TMVirtualGetFreq(PVM pVM);
+VMM_INT_DECL(uint64_t)  TMVirtualSyncGet(PVMCC pVM);
+VMM_INT_DECL(uint64_t)  TMVirtualSyncGetNoCheck(PVMCC pVM);
+VMM_INT_DECL(uint64_t)  TMVirtualSyncGetNoCheckWithTsc(PVMCC pVM, uint64_t *puTscNow);
+VMM_INT_DECL(uint64_t)  TMVirtualSyncGetEx(PVMCC pVM, bool fCheckTimers);
+VMM_INT_DECL(uint64_t)  TMVirtualSyncGetWithDeadlineNoCheck(PVMCC pVM, uint64_t *pcNsToDeadline,
+                                                            uint64_t *puDeadlineVersion, uint64_t *puTscNow);
+VMMDECL(uint64_t)       TMVirtualSyncGetNsToDeadline(PVMCC pVM, uint64_t *puDeadlineVersion, uint64_t *puTscNow);
+VMM_INT_DECL(bool)      TMVirtualSyncIsCurrentDeadlineVersion(PVMCC pVM, uint64_t uDeadlineVersion);
+VMM_INT_DECL(uint64_t)  TMVirtualToNano(PVM pVM, uint64_t u64VirtualTicks);
+VMM_INT_DECL(uint64_t)  TMVirtualToMicro(PVM pVM, uint64_t u64VirtualTicks);
+VMM_INT_DECL(uint64_t)  TMVirtualToMilli(PVM pVM, uint64_t u64VirtualTicks);
+VMM_INT_DECL(uint64_t)  TMVirtualFromNano(PVM pVM, uint64_t u64NanoTS);
+VMM_INT_DECL(uint64_t)  TMVirtualFromMicro(PVM pVM, uint64_t u64MicroTS);
+VMM_INT_DECL(uint64_t)  TMVirtualFromMilli(PVM pVM, uint64_t u64MilliTS);
+VMM_INT_DECL(bool)      TMVirtualIsTicking(PVM pVM);
+
+VMMR3DECL(uint64_t)     TMR3TimeVirtGet(PUVM pUVM);
+VMMR3DECL(uint64_t)     TMR3TimeVirtGetMilli(PUVM pUVM);
+VMMR3DECL(uint64_t)     TMR3TimeVirtGetMicro(PUVM pUVM);
+VMMR3DECL(uint64_t)     TMR3TimeVirtGetNano(PUVM pUVM);
+/** @} */
+
+
+/** @name CPU Clock Methods
+ * @{
+ */
+VMMDECL(uint64_t)       TMCpuTickGet(PVMCPUCC pVCpu);
+VMM_INT_DECL(uint64_t)  TMCpuTickGetNoCheck(PVMCPUCC pVCpu);
+VMM_INT_DECL(bool)      TMCpuTickCanUseRealTSC(PVMCC pVM, PVMCPUCC pVCpu, uint64_t *poffRealTSC, bool *pfParavirtTsc);
+VMM_INT_DECL(uint64_t)  TMCpuTickGetDeadlineAndTscOffset(PVMCC pVM, PVMCPUCC pVCpu, uint64_t *poffRealTsc,
+                                                         bool *pfOffsettedTsc, bool *pfParavirtTsc,
+                                                         uint64_t *puTscNow, uint64_t *puDeadlineVersion);
+VMM_INT_DECL(int)       TMCpuTickSet(PVMCC pVM, PVMCPUCC pVCpu, uint64_t u64Tick);
+VMM_INT_DECL(int)       TMCpuTickSetLastSeen(PVMCPUCC pVCpu, uint64_t u64LastSeenTick);
+VMM_INT_DECL(uint64_t)  TMCpuTickGetLastSeen(PVMCPUCC pVCpu);
+VMMDECL(uint64_t)       TMCpuTicksPerSecond(PVMCC pVM);
+VMM_INT_DECL(bool)      TMCpuTickIsTicking(PVMCPUCC pVCpu);
+/** @} */
+
+
+/** @name Timer Methods
+ * @{
+ */
+/**
+ * Device timer callback function.
+ *
+ * @param   pDevIns         Device instance of the device which registered the timer.
+ * @param   hTimer          The timer handle.
+ * @param   pvUser          User argument specified upon timer creation.
+ */
+typedef DECLCALLBACKTYPE(void, FNTMTIMERDEV,(PPDMDEVINS pDevIns, TMTIMERHANDLE hTimer, void *pvUser));
+/** Pointer to a device timer callback function. */
+typedef FNTMTIMERDEV *PFNTMTIMERDEV;
+
+/**
+ * USB device timer callback function.
+ *
+ * @param   pUsbIns         The USB device instance the timer is associated
+ *                          with.
+ * @param   hTimer          The timer handle.
+ * @param   pvUser          User argument specified upon timer creation.
+ */
+typedef DECLCALLBACKTYPE(void, FNTMTIMERUSB,(PPDMUSBINS pUsbIns, TMTIMERHANDLE hTimer, void *pvUser));
+/** Pointer to a timer callback for a USB device. */
+typedef FNTMTIMERUSB *PFNTMTIMERUSB;
+
+/**
+ * Driver timer callback function.
+ *
+ * @param   pDrvIns         Device instance of the device which registered the timer.
+ * @param   hTimer          The timer handle.
+ * @param   pvUser          User argument specified upon timer creation.
+ */
+typedef DECLCALLBACKTYPE(void, FNTMTIMERDRV,(PPDMDRVINS pDrvIns, TMTIMERHANDLE hTimer, void *pvUser));
+/** Pointer to a driver timer callback function. */
+typedef FNTMTIMERDRV *PFNTMTIMERDRV;
+
+/**
+ * Service timer callback function.
+ *
+ * @param   pSrvIns         Service instance of the device which registered the timer.
+ * @param   hTimer          The timer handle.
+ */
+typedef DECLCALLBACKTYPE(void, FNTMTIMERSRV,(PPDMSRVINS pSrvIns, TMTIMERHANDLE hTimer));
+/** Pointer to a service timer callback function. */
+typedef FNTMTIMERSRV *PFNTMTIMERSRV;
+
+/**
+ * Internal timer callback function.
+ *
+ * @param   pVM             The cross context VM structure.
+ * @param   hTimer          The timer handle.
+ * @param   pvUser          User argument specified upon timer creation.
+ */
+typedef DECLCALLBACKTYPE(void, FNTMTIMERINT,(PVM pVM, TMTIMERHANDLE hTimer, void *pvUser));
+/** Pointer to internal timer callback function. */
+typedef FNTMTIMERINT *PFNTMTIMERINT;
+
+/**
+ * External timer callback function.
+ *
+ * @param   pvUser          User argument as specified when the timer was created.
+ */
+typedef DECLCALLBACKTYPE(void, FNTMTIMEREXT,(void *pvUser));
+/** Pointer to an external timer callback function. */
+typedef FNTMTIMEREXT *PFNTMTIMEREXT;
+
+VMMDECL(int)            TMTimerLock(PVMCC pVM, TMTIMERHANDLE hTimer, int rcBusy);
+VMMDECL(void)           TMTimerUnlock(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(bool)           TMTimerIsLockOwner(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(int)            TMTimerSet(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t u64Expire);
+VMMDECL(int)            TMTimerSetRelative(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cTicksToNext, uint64_t *pu64Now);
+VMMDECL(int)            TMTimerSetFrequencyHint(PVMCC pVM, TMTIMERHANDLE hTimer, uint32_t uHz);
+VMMDECL(uint64_t)       TMTimerGet(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(int)            TMTimerStop(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(bool)           TMTimerIsActive(PVMCC pVM, TMTIMERHANDLE hTimer);
+
+VMMDECL(int)            TMTimerSetMillies(PVMCC pVM, TMTIMERHANDLE hTimer, uint32_t cMilliesToNext);
+VMMDECL(int)            TMTimerSetMicro(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cMicrosToNext);
+VMMDECL(int)            TMTimerSetNano(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cNanosToNext);
+VMMDECL(uint64_t)       TMTimerGetNano(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(uint64_t)       TMTimerGetMicro(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(uint64_t)       TMTimerGetMilli(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(uint64_t)       TMTimerGetFreq(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(uint64_t)       TMTimerGetExpire(PVMCC pVM, TMTIMERHANDLE hTimer);
+VMMDECL(uint64_t)       TMTimerToNano(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cTicks);
+VMMDECL(uint64_t)       TMTimerToMicro(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cTicks);
+VMMDECL(uint64_t)       TMTimerToMilli(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cTicks);
+VMMDECL(uint64_t)       TMTimerFromNano(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cNanoSecs);
+VMMDECL(uint64_t)       TMTimerFromMicro(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cMicroSecs);
+VMMDECL(uint64_t)       TMTimerFromMilli(PVMCC pVM, TMTIMERHANDLE hTimer, uint64_t cMilliSecs);
+
+VMMDECL(bool)           TMTimerPollBool(PVMCC pVM, PVMCPUCC pVCpu);
+VMM_INT_DECL(void)      TMTimerPollVoid(PVMCC pVM, PVMCPUCC pVCpu);
+VMM_INT_DECL(uint64_t)  TMTimerPollGIP(PVMCC pVM, PVMCPUCC pVCpu, uint64_t *pu64Delta);
+/** @} */
+
+
+/** @defgroup grp_tm_r3     The TM Host Context Ring-3 API
+ * @{
+ */
+VMM_INT_DECL(int)       TMR3Init(PVM pVM);
+VMM_INT_DECL(int)       TMR3InitFinalize(PVM pVM);
+VMM_INT_DECL(void)      TMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
+VMM_INT_DECL(int)       TMR3Term(PVM pVM);
+VMM_INT_DECL(void)      TMR3Reset(PVM pVM);
+VMM_INT_DECL(int)       TMR3TimerCreateDevice(PVM pVM, PPDMDEVINS pDevIns, TMCLOCK enmClock, PFNTMTIMERDEV pfnCallback,
+                                              void *pvUser, uint32_t fFlags, const char *pszName, PTMTIMERHANDLE phTimer);
+VMM_INT_DECL(int)       TMR3TimerCreateUsb(PVM pVM, PPDMUSBINS pUsbIns, TMCLOCK enmClock, PFNTMTIMERUSB pfnCallback,
+                                           void *pvUser, uint32_t fFlags, const char *pszName, PTMTIMERHANDLE phTimer);
+VMM_INT_DECL(int)       TMR3TimerCreateDriver(PVM pVM, PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback,
+                                              void *pvUser, uint32_t fFlags, const char *pszName, PTMTIMERHANDLE phTimer);
+VMMR3DECL(int)          TMR3TimerCreate(PVM pVM, TMCLOCK enmClock, PFNTMTIMERINT pfnCallback, void *pvUser, uint32_t fFlags,
+                                        const char *pszName, PTMTIMERHANDLE phTimer);
+VMMR3DECL(int)          TMR3TimerDestroy(PVM pVM, TMTIMERHANDLE hTimer);
+VMM_INT_DECL(int)       TMR3TimerDestroyDevice(PVM pVM, PPDMDEVINS pDevIns);
+VMM_INT_DECL(int)       TMR3TimerDestroyUsb(PVM pVM, PPDMUSBINS pUsbIns);
+VMM_INT_DECL(int)       TMR3TimerDestroyDriver(PVM pVM, PPDMDRVINS pDrvIns);
+VMMR3DECL(int)          TMR3TimerSave(PVMCC pVM, TMTIMERHANDLE hTimer, PSSMHANDLE pSSM);
+VMMR3DECL(int)          TMR3TimerLoad(PVMCC pVM, TMTIMERHANDLE hTimer, PSSMHANDLE pSSM);
+VMMR3DECL(int)          TMR3TimerSkip(PSSMHANDLE pSSM, bool *pfActive);
+VMMR3DECL(int)          TMR3TimerSetCritSect(PVMCC pVM, TMTIMERHANDLE hTimer, PPDMCRITSECT pCritSect);
+VMMR3DECL(void)         TMR3TimerQueuesDo(PVM pVM);
+VMMR3_INT_DECL(void)    TMR3VirtualSyncFF(PVM pVM, PVMCPU pVCpu);
+VMMR3_INT_DECL(PRTTIMESPEC) TMR3UtcNow(PVM pVM, PRTTIMESPEC pTime);
+
+VMMR3_INT_DECL(int)     TMR3CpuTickParavirtEnable(PVM pVM);
+VMMR3_INT_DECL(int)     TMR3CpuTickParavirtDisable(PVM pVM);
+VMMR3_INT_DECL(bool)    TMR3CpuTickIsFixedRateMonotonic(PVM pVM, bool fWithParavirtEnabled);
+/** @} */
+
+
+/** @defgroup grp_tm_r0     The TM Host Context Ring-0 API
+ * @{
+ */
+VMMR0_INT_DECL(void)    TMR0InitPerVMData(PGVM pGVM);
+VMMR0_INT_DECL(void)    TMR0CleanupVM(PGVM pGVM);
+VMMR0_INT_DECL(int)     TMR0TimerQueueGrow(PGVM pGVM, uint32_t idxQueue, uint32_t cMinTimers);
+/** @} */
+
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !VBOX_INCLUDED_vmm_tm_h */
+