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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/VMM/VMMAll/DBGFAllTracer.cpp | 715 |
1 files changed, 715 insertions, 0 deletions
diff --git a/src/VBox/VMM/VMMAll/DBGFAllTracer.cpp b/src/VBox/VMM/VMMAll/DBGFAllTracer.cpp new file mode 100644 index 00000000..8e79602b --- /dev/null +++ b/src/VBox/VMM/VMMAll/DBGFAllTracer.cpp @@ -0,0 +1,715 @@ +/* $Id: DBGFAllTracer.cpp $ */ +/** @file + * DBGF - Debugger Facility, All Context Code tracing part. + */ + +/* + * Copyright (C) 2020-2023 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>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP LOG_GROUP_DBGF +#include "DBGFInternal.h" +#include <VBox/types.h> +#include <VBox/err.h> +#include <VBox/vmm/dbgf.h> +#if defined(IN_RING3) +# include <VBox/vmm/uvm.h> +# include <VBox/vmm/vm.h> +#elif defined(IN_RING0) +# include <VBox/vmm/gvm.h> +#else +# error "Invalid environment" +#endif + + +/********************************************************************************************************************************* +* Internal Functions * +*********************************************************************************************************************************/ + +/** + * Returns the current context tracer instance of the given VM instance. + * + * @returns Current context pointer to the DBGF tracer instance. + */ +DECLINLINE(PDBGFTRACERINSCC) dbgfTracerGetInstance(PVMCC pVM) +{ +#if defined(IN_RING0) + return pVM->dbgfr0.s.pTracerR0; +#elif defined(IN_RING3) + PUVM pUVM = pVM->pUVM; + return pUVM->dbgf.s.pTracerR3; +#elif defined(IN_RC) +# error "Not implemented" +#else +# error "No/Invalid context specified" +#endif +} + + +/** + * Returns the size of the tracing ring buffer. + * + * @returns Size of the ring buffer in bytes. + * @param pThisCC The event tracer instance current context data. + */ +DECLINLINE(size_t) dbgfTracerGetRingBufSz(PDBGFTRACERINSCC pThisCC) +{ +#if defined(IN_RING0) /* For R0 we are extra cautious and use the ring buffer size stored in R0 memory so R3 can't corrupt it. */ + return pThisCC->cbRingBuf; +#else + return pThisCC->CTX_SUFF(pShared)->cbRingBuf; +#endif +} + + +/** + * Posts a single event descriptor to the ring buffer of the given tracer instance - extended version. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param pThisCC The event tracer instance current context data. + * @param hEvtSrc The event source for the posted event. + * @param enmTraceEvt The trace event type posted. + * @param idEvtPrev The previous event ID the posted event links to. + * @param pvEvtDesc The event descriptor to copy after the header. + * @param cbEvtDesc Size of the event descriptor. + * @param pidEvt Where to store the assigned event ID, optional. + */ +static int dbgfTracerEvtPostEx(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc, + DBGFTRACEREVT enmTraceEvt, uint64_t idEvtPrev, const void *pvEvtDesc, + size_t cbEvtDesc, uint64_t *pidEvt) +{ + LogFlowFunc(("pVM=%p pThisCC=%p hEvtSrc=%llu enmTraceEvt=%u idEvtPrev=%llu pvEvtDesc=%p cbEvtDesc=%zu pidEvt=%p\n", + pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev, pvEvtDesc, cbEvtDesc, pidEvt)); + + PDBGFTRACERSHARED pSharedCC = pThisCC->CTX_SUFF(pShared); + size_t cRingBufEvts = dbgfTracerGetRingBufSz(pThisCC) / DBGF_TRACER_EVT_SZ; + AssertReturn(cRingBufEvts, VERR_DBGF_TRACER_IPE_1); + AssertReturn(cbEvtDesc <= DBGF_TRACER_EVT_PAYLOAD_SZ, VERR_DBGF_TRACER_IPE_1); + + /* Grab a new event ID first. */ + uint64_t idEvt = ASMAtomicIncU64(&pSharedCC->idEvt) - 1; + uint64_t idxRingBuf = idEvt % cRingBufEvts; /* This gives the index in the ring buffer for the event. */ + PDBGFTRACEREVTHDR pEvtHdr = (PDBGFTRACEREVTHDR)(pThisCC->CTX_SUFF(pbRingBuf) + idxRingBuf * DBGF_TRACER_EVT_SZ); + + if (RT_UNLIKELY(ASMAtomicReadU64(&pEvtHdr->idEvt) != DBGF_TRACER_EVT_HDR_ID_INVALID)) + { + /** @todo The event ring buffer is full and we need to go back (from R0 to R3) and wait for the flusher thread to + * get its act together. + */ + AssertMsgFailed(("Flush thread can't keep up with event amount!\n")); + } + + /* Write the event and kick the flush thread if necessary. */ + if (cbEvtDesc) + memcpy(pEvtHdr + 1, pvEvtDesc, cbEvtDesc); + pEvtHdr->idEvtPrev = idEvtPrev; + pEvtHdr->hEvtSrc = hEvtSrc; + pEvtHdr->enmEvt = enmTraceEvt; + pEvtHdr->fFlags = DBGF_TRACER_EVT_HDR_F_DEFAULT; + ASMAtomicWriteU64(&pEvtHdr->idEvt, idEvt); + + int rc = VINF_SUCCESS; + if (!ASMAtomicXchgBool(&pSharedCC->fEvtsWaiting, true)) + { + if (!ASMAtomicXchgBool(&pSharedCC->fFlushThrdActive, true)) + rc = SUPSemEventSignal(pVM->pSession, pSharedCC->hSupSemEvtFlush); + } + + if (pidEvt) + *pidEvt = idEvt; + return rc; +} + + +/** + * Posts a single event descriptor to the ring buffer of the given tracer instance. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param pThisCC The event tracer instance current context data. + * @param hEvtSrc The event source for the posted event. + * @param enmTraceEvt The trace event type posted. + * @param pvEvtDesc The event descriptor to copy after the header. + * @param pidEvt Where to store the assigned event ID, optional. + */ +DECLINLINE(int) dbgfTracerEvtPostSingle(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc, + DBGFTRACEREVT enmTraceEvt, const void *pvEvtDesc, uint64_t *pidEvt) +{ + return dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, DBGF_TRACER_EVT_HDR_ID_INVALID, + pvEvtDesc, DBGF_TRACER_EVT_PAYLOAD_SZ, pidEvt); +} + + +#ifdef IN_RING3 +/** + * Posts a single event descriptor to the ring buffer of the given tracer instance - R3 only variant + * (used for the register/deregister event source events currently). + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param pThisCC The event tracer instance current context data. + * @param hEvtSrc The event source for the posted event. + * @param enmTraceEvt The trace event type posted. + * @param pvEvtDesc The event descriptor to copy after the header. + * @param cbEvtDesc Event descriptor size in bytes. + * @param pidEvt Where to store the assigned event ID, optional. + */ +DECLHIDDEN(int) dbgfTracerR3EvtPostSingle(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc, + DBGFTRACEREVT enmTraceEvt, const void *pvEvtDesc, size_t cbEvtDesc, + uint64_t *pidEvt) +{ + return dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, DBGF_TRACER_EVT_HDR_ID_INVALID, + pvEvtDesc, cbEvtDesc, pidEvt); +} +#endif + +/** + * Copies the given MMIO value into the event descriptor based on the given size. + * + * @param pEvtMmio Pointer to the MMIO event descriptor to fill. + * @param pvVal The value to copy. + * @param cbVal Size of the value in bytes. + */ +static void dbgfTracerEvtMmioCopyVal(PDBGFTRACEREVTMMIO pEvtMmio, const void *pvVal, size_t cbVal) +{ + switch (cbVal) + { + case 1: + pEvtMmio->u64Val = *(uint8_t *)pvVal; + break; + case 2: + pEvtMmio->u64Val = *(uint16_t *)pvVal; + break; + case 4: + pEvtMmio->u64Val = *(uint32_t *)pvVal; + break; + case 8: + pEvtMmio->u64Val = *(uint64_t *)pvVal; + break; + default: + AssertMsgFailed(("The value size %zu is not supported!\n", cbVal)); + } +} + + +/** + * Copies the given I/O port value into the event descriptor based on the given size. + * + * @param pEvtIoPort Pointer to the I/O port read/write event descriptor to fill. + * @param pvVal The value to copy. + * @param cbVal Size of the value in bytes. + */ +static void dbgfTracerEvtIoPortCopyVal(PDBGFTRACEREVTIOPORT pEvtIoPort, const void *pvVal, size_t cbVal) +{ + switch (cbVal) + { + case 1: + pEvtIoPort->u32Val = *(uint8_t *)pvVal; + break; + case 2: + pEvtIoPort->u32Val = *(uint16_t *)pvVal; + break; + case 4: + pEvtIoPort->u32Val = *(uint32_t *)pvVal; + break; + default: + AssertMsgFailed(("The value size %zu is not supported!\n", cbVal)); + } +} + + +/** + * Handles a guest memory transfer event. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param pThisCC The event tracer instance current context data. + * @param enmTraceEvt The trace event type posted. + * @param hEvtSrc The event source for the posted event. + * @param GCPhys The guest physical address the transfer starts at. + * @param pvBuf The data being transfered. + * @param cbXfer Number of bytes being transfered. + */ +static int dbgfTracerEvtGCPhys(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVT enmTraceEvt, DBGFTRACEREVTSRC hEvtSrc, + RTGCPHYS GCPhys, const void *pvBuf, size_t cbXfer) +{ + /* Fast path for really small transfers where everything fits into the descriptor. */ + DBGFTRACEREVTGCPHYS EvtGCPhys; + EvtGCPhys.GCPhys = GCPhys; + EvtGCPhys.cbXfer = cbXfer; + if (cbXfer <= sizeof(EvtGCPhys.abData)) + { + memcpy(&EvtGCPhys.abData[0], pvBuf, cbXfer); + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtGCPhys, NULL /*pidEvt*/); + } + + /* + * Slow path where we have to split the data into multiple entries. + * Each one is linked to the previous one by the previous event ID. + */ + const uint8_t *pbBuf = (const uint8_t *)pvBuf; + size_t cbLeft = cbXfer; + uint64_t idEvtPrev = 0; + memcpy(&EvtGCPhys.abData[0], pbBuf, sizeof(EvtGCPhys.abData)); + pbBuf += sizeof(EvtGCPhys.abData); + cbLeft -= sizeof(EvtGCPhys.abData); + + int rc = dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtGCPhys, &idEvtPrev); + while ( RT_SUCCESS(rc) + && cbLeft) + { + size_t cbThisXfer = RT_MIN(cbLeft, DBGF_TRACER_EVT_PAYLOAD_SZ); + rc = dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev, + pbBuf, cbThisXfer, &idEvtPrev); + + pbBuf += cbThisXfer; + cbLeft -= cbThisXfer; + } + + return rc; +} + + +/** + * Handles a I/O port string transfer event. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param pThisCC The event tracer instance current context data. + * @param enmTraceEvt The trace event type posted. + * @param hEvtSrc The event source for the posted event. + * @param hIoPorts The I/O port region handle for the transfer. + * @param offPort The offset into the region where the transfer happened. + * @param pv The data being transfered. + * @param cb Number of bytes of valid data in the buffer. + * @param cbItem Item size in bytes. + * @param cTransfersReq Number of transfers requested. + * @param cTransfersRet Number of transfers done. + */ +static int dbgfTracerEvtIoPortStr(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVT enmTraceEvt, DBGFTRACEREVTSRC hEvtSrc, + uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb, size_t cbItem, uint32_t cTransfersReq, + uint32_t cTransfersRet) +{ + /* Fast path for really small transfers where everything fits into the descriptor. */ + DBGFTRACEREVTIOPORTSTR EvtIoPortStr; + EvtIoPortStr.hIoPorts = hIoPorts; + EvtIoPortStr.cbItem = (uint32_t)cbItem; + EvtIoPortStr.cTransfersReq = cTransfersReq; + EvtIoPortStr.cTransfersRet = cTransfersRet; + EvtIoPortStr.offPort = offPort; + if (cb <= sizeof(EvtIoPortStr.abData)) + { + memcpy(&EvtIoPortStr.abData[0], pv, cb); + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtIoPortStr, NULL /*pidEvt*/); + } + + /* + * Slow path where we have to split the data into multiple entries. + * Each one is linked to the previous one by the previous event ID. + */ + const uint8_t *pbBuf = (const uint8_t *)pv; + size_t cbLeft = cb; + uint64_t idEvtPrev = 0; + memcpy(&EvtIoPortStr.abData[0], pbBuf, sizeof(EvtIoPortStr.abData)); + pbBuf += sizeof(EvtIoPortStr.abData); + cbLeft -= sizeof(EvtIoPortStr.abData); + + int rc = dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtIoPortStr, &idEvtPrev); + while ( RT_SUCCESS(rc) + && cbLeft) + { + size_t cbThisXfer = RT_MIN(cbLeft, DBGF_TRACER_EVT_PAYLOAD_SZ); + rc = dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev, + pbBuf, cbThisXfer, &idEvtPrev); + + pbBuf += cbThisXfer; + cbLeft -= cbThisXfer; + } + + return rc; +} + + +/** + * Registers an MMIO region mapping event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hRegion The MMIO region handle being mapped. + * @param GCPhysMmio The guest physical address where the region is mapped. + */ +VMM_INT_DECL(int) DBGFTracerEvtMmioMap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS GCPhysMmio) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTMMIOMAP EvtMmioMap; + EvtMmioMap.hMmioRegion = hRegion; + EvtMmioMap.GCPhysMmioBase = GCPhysMmio; + EvtMmioMap.au64Pad0[0] = 0; + EvtMmioMap.au64Pad0[1] = 0; + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_MAP, &EvtMmioMap, NULL /*pidEvt*/); +} + + +/** + * Registers an MMIO region unmap event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hRegion The MMIO region handle being unmapped. + */ +VMM_INT_DECL(int) DBGFTracerEvtMmioUnmap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTMMIOUNMAP EvtMmioUnmap; + EvtMmioUnmap.hMmioRegion = hRegion; + EvtMmioUnmap.au64Pad0[0] = 0; + EvtMmioUnmap.au64Pad0[1] = 0; + EvtMmioUnmap.au64Pad0[2] = 0; + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_UNMAP, &EvtMmioUnmap, NULL /*pidEvt*/); +} + + +/** + * Registers an MMIO region read event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hRegion The MMIO region handle being read. + * @param offMmio The MMIO offset into the region where the read happened. + * @param pvVal The value being read. + * @param cbVal Value size in bytes. + */ +VMM_INT_DECL(int) DBGFTracerEvtMmioRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio, const void *pvVal, size_t cbVal) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTMMIO EvtMmio; + EvtMmio.hMmioRegion = hRegion; + EvtMmio.offMmio = offMmio; + EvtMmio.cbXfer = cbVal; + dbgfTracerEvtMmioCopyVal(&EvtMmio, pvVal, cbVal); + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_READ, &EvtMmio, NULL /*pidEvt*/); +} + + +/** + * Registers an MMIO region write event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hRegion The MMIO region handle being written to. + * @param offMmio The MMIO offset into the region where the write happened. + * @param pvVal The value being written. + * @param cbVal Value size in bytes. + */ +VMM_INT_DECL(int) DBGFTracerEvtMmioWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio, const void *pvVal, size_t cbVal) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTMMIO EvtMmio; + EvtMmio.hMmioRegion = hRegion; + EvtMmio.offMmio = offMmio; + EvtMmio.cbXfer = cbVal; + dbgfTracerEvtMmioCopyVal(&EvtMmio, pvVal, cbVal); + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_WRITE, &EvtMmio, NULL /*pidEvt*/); +} + + +/** + * Registers an MMIO region fill event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hRegion The MMIO region handle being filled. + * @param offMmio The MMIO offset into the region where the fill starts. + * @param u32Item The value being used for filling. + * @param cbItem Item size in bytes. + * @param cItems Number of items being written. + */ +VMM_INT_DECL(int) DBGFTracerEvtMmioFill(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio, + uint32_t u32Item, uint32_t cbItem, uint32_t cItems) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTMMIOFILL EvtMmioFill; + EvtMmioFill.hMmioRegion = hRegion; + EvtMmioFill.offMmio = offMmio; + EvtMmioFill.cbItem = cbItem; + EvtMmioFill.cItems = cItems; + EvtMmioFill.u32Item = u32Item; + EvtMmioFill.u32Pad0 = 0; + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_FILL, &EvtMmioFill, NULL /*pidEvt*/); +} + + +/** + * Registers an I/O region mapping event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hIoPorts The I/O port region handle being mapped. + * @param IoPortBase The I/O port base where the region is mapped. + */ +VMM_INT_DECL(int) DBGFTracerEvtIoPortMap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT IoPortBase) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTIOPORTMAP EvtIoPortMap; + RT_ZERO(EvtIoPortMap); + EvtIoPortMap.hIoPorts = hIoPorts; + EvtIoPortMap.IoPortBase = IoPortBase; + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_MAP, &EvtIoPortMap, NULL /*pidEvt*/); +} + + +/** + * Registers an I/O region unmap event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hIoPorts The I/O port region handle being unmapped. + */ +VMM_INT_DECL(int) DBGFTracerEvtIoPortUnmap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTIOPORTUNMAP EvtIoPortUnmap; + EvtIoPortUnmap.hIoPorts = hIoPorts; + EvtIoPortUnmap.au64Pad0[0] = 0; + EvtIoPortUnmap.au64Pad0[1] = 0; + EvtIoPortUnmap.au64Pad0[2] = 0; + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_UNMAP, &EvtIoPortUnmap, NULL /*pidEvt*/); +} + + +/** + * Registers an I/O region read event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hIoPorts The I/O port region handle being read from. + * @param offPort The offset into the region where the read happened. + * @param pvVal The value being read. + * @param cbVal Value size in bytes. + */ +VMM_INT_DECL(int) DBGFTracerEvtIoPortRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pvVal, size_t cbVal) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTIOPORT EvtIoPort; + RT_ZERO(EvtIoPort); + EvtIoPort.hIoPorts = hIoPorts; + EvtIoPort.offPort = offPort; + EvtIoPort.cbXfer = cbVal; + dbgfTracerEvtIoPortCopyVal(&EvtIoPort, pvVal, cbVal); + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_READ, &EvtIoPort, NULL /*pidEvt*/); +} + + +/** + * Registers an I/O region string read event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hIoPorts The I/O port region handle being read from. + * @param offPort The offset into the region where the read happened. + * @param pv The data being read. + * @param cb Item size in bytes. + * @param cTransfersReq Number of transfers requested. + * @param cTransfersRet Number of transfers done. + */ +VMM_INT_DECL(int) DBGFTracerEvtIoPortReadStr(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb, + uint32_t cTransfersReq, uint32_t cTransfersRet) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + return dbgfTracerEvtIoPortStr(pVM, pThisCC, DBGFTRACEREVT_IOPORT_READ_STR, hEvtSrc, hIoPorts, offPort, pv, cTransfersRet * cb, + cb, cTransfersReq, cTransfersRet); +} + + +/** + * Registers an I/O region write event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hIoPorts The I/O port region handle being written to. + * @param offPort The offset into the region where the write happened. + * @param pvVal The value being written. + * @param cbVal Value size in bytes. + */ +VMM_INT_DECL(int) DBGFTracerEvtIoPortWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pvVal, size_t cbVal) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTIOPORT EvtIoPort; + RT_ZERO(EvtIoPort); + EvtIoPort.hIoPorts = hIoPorts; + EvtIoPort.offPort = offPort; + EvtIoPort.cbXfer = cbVal; + dbgfTracerEvtIoPortCopyVal(&EvtIoPort, pvVal, cbVal); + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_WRITE, &EvtIoPort, NULL /*pidEvt*/); +} + + +/** + * Registers an I/O region string write event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param hIoPorts The I/O port region handle being written to. + * @param offPort The offset into the region where the write happened. + * @param pv The data being written. + * @param cb Item size in bytes. + * @param cTransfersReq Number of transfers requested. + * @param cTransfersRet Number of transfers done. + */ +VMM_INT_DECL(int) DBGFTracerEvtIoPortWriteStr(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb, + uint32_t cTransfersReq, uint32_t cTransfersRet) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + return dbgfTracerEvtIoPortStr(pVM, pThisCC, DBGFTRACEREVT_IOPORT_WRITE_STR, hEvtSrc, hIoPorts, offPort, pv, cTransfersReq * cb, + cb, cTransfersReq, cTransfersRet); +} + + +/** + * Registers an IRQ change event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param iIrq The IRQ line changed. + * @param fIrqLvl The new IRQ level mask. + */ +VMM_INT_DECL(int) DBGFTracerEvtIrq(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, int32_t iIrq, int32_t fIrqLvl) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTIRQ EvtIrq; + RT_ZERO(EvtIrq); + EvtIrq.iIrq = iIrq; + EvtIrq.fIrqLvl = fIrqLvl; + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IRQ, &EvtIrq, NULL /*pidEvt*/); +} + + +/** + * Registers an I/O APIC MSI event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param GCPhys Guest physical address where the value is written to. + * @param u32Val The MSI event value being written. + */ +VMM_INT_DECL(int) DBGFTracerEvtIoApicMsi(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, uint32_t u32Val) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + DBGFTRACEREVTIOAPICMSI EvtMsi; + RT_ZERO(EvtMsi); + EvtMsi.GCPhys = GCPhys; + EvtMsi.u32Val = u32Val; + + return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOAPIC_MSI, &EvtMsi, NULL /*pidEvt*/); +} + + +/** + * Registers an guest physical memory read event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param GCPhys Guest physical address the read started at. + * @param pvBuf The read data. + * @param cbRead Number of bytes read. + */ +VMM_INT_DECL(int) DBGFTracerEvtGCPhysRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, const void *pvBuf, size_t cbRead) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + return dbgfTracerEvtGCPhys(pVM, pThisCC, DBGFTRACEREVT_GCPHYS_READ, hEvtSrc, GCPhys, pvBuf, cbRead); +} + + +/** + * Registers an guest physical memory write event for the given event source. + * + * @returns VBox status code. + * @param pVM The current context VM instance data. + * @param hEvtSrc The event source for the posted event. + * @param GCPhys Guest physical address the write started at. + * @param pvBuf The written data. + * @param cbWrite Number of bytes written. + */ +VMM_INT_DECL(int) DBGFTracerEvtGCPhysWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite) +{ + PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM); + AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1); + + return dbgfTracerEvtGCPhys(pVM, pThisCC, DBGFTRACEREVT_GCPHYS_WRITE, hEvtSrc, GCPhys, pvBuf, cbWrite); +} + |