/** @file * * VBox Guest/VMM/host communication: * Virtual communication device */ /* * Copyright (C) 2006 InnoTek Systemberatung GmbH * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file 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 2 as it comes in the "COPYING" file of the VirtualBox OSE * distribution. VirtualBox OSE is distributed in the hope that it will * be useful, but WITHOUT ANY WARRANTY of any kind. * * If you received this file as part of a commercial VirtualBox * distribution, then only the terms of your commercial VirtualBox * license agreement apply instead of the previous paragraph. */ /* #define LOG_ENABLED */ #define TIMESYNC_BACKDOOR #include #include #include #include #include #include #include #include #define LOG_GROUP LOG_GROUP_DEV_VMM #include #include #include #include "VMMDevState.h" #ifdef VBOX_HGCM #include "VMMDevHGCM.h" #endif #define PCIDEV_2_VMMDEVSTATE(pPciDev) ( (VMMDevState *)(pPciDev) ) #define VMMDEVSTATE_2_DEVINS(pVMMDevState) ( (pVMMDevState)->pDevIns ) #define VBOX_GUEST_ADDITIONS_VERSION_1_03(s) \ ((RT_HIWORD ((s)->guestInfo.additionsVersion) == 1) && \ (RT_LOWORD ((s)->guestInfo.additionsVersion) == 3)) #define VBOX_GUEST_ADDITIONS_VERSION_OK(additionsVersion) \ (RT_HIWORD(additionsVersion) == RT_HIWORD(VMMDEV_VERSION) \ && RT_LOWORD(additionsVersion) <= RT_LOWORD(VMMDEV_VERSION)) #define VBOX_GUEST_ADDITIONS_VERSION_OLD(additionsVersion) \ ((RT_HIWORD(additionsVersion) < RT_HIWORD(VMMDEV_VERSION) \ || ((RT_HIWORD(additionsVersion) == RT_HIWORD(VMMDEV_VERSION) \ && RT_LOWORD(additionsVersion) <= RT_LOWORD(VMMDEV_VERSION)) #define VBOX_GUEST_ADDITIONS_VERSION_TOO_OLD(additionsVersion) \ (RT_HIWORD(additionsVersion) < RT_HIWORD(VMMDEV_VERSION)) #define VBOX_GUEST_ADDITIONS_VERSION_NEW(additionsVersion) \ ((RT_HIWORD(additionsVersion) > RT_HIWORD(VMMDEV_VERSION) \ || ((RT_HIWORD(additionsVersion) == RT_HIWORD(VMMDEV_VERSION) \ && RT_LOWORD(additionsVersion) > RT_LOWORD(VMMDEV_VERSION)) /* Whenever host wants to inform guest about something * an IRQ notification will be raised. * * VMMDev PDM interface will contain the guest notification method. * * There is a 32 bit event mask which will be read * by guest on an interrupt. A non zero bit in the mask * means that the specific event occured and requires * processing on guest side. * * After reading the event mask guest must issue a * generic request AcknowlegdeEvents. * * IRQ line is set to 1 (request) if there are unprocessed * events, that is the event mask is not zero. * * After receiving an interrupt and checking event mask, * the guest must process events using the event specific * mechanism. * * That is if mouse capabilities were changed, * guest will use VMMDev_GetMouseStatus generic request. * * Event mask is only a set of flags indicating that guest * must proceed with a procedure. * * Unsupported events are therefore ignored. * The guest additions must inform host which events they * want to receive, to avoid unnecessary IRQ processing. * By default no events are signalled to guest. * * This seems to be fast method. It requires * only one context switch for an event processing. * */ static void vmmdevSetIRQ_Legacy_EMT (VMMDevState *pVMMDevState) { if (!pVMMDevState->fu32AdditionsOk) { Log(("vmmdevSetIRQ: IRQ is not generated, guest has not yet reported to us.\n")); return; } uint32_t u32IRQLevel = 0; /* Filter unsupported events */ uint32_t u32EventFlags = pVMMDevState->u32HostEventFlags & pVMMDevState->pVMMDevRAMHC->V.V1_03.u32GuestEventMask; Log(("vmmdevSetIRQ: u32EventFlags = 0x%08X, " "pVMMDevState->u32HostEventFlags = 0x%08X, " "pVMMDevState->pVMMDevRAMHC->u32GuestEventMask = 0x%08X\n", u32EventFlags, pVMMDevState->u32HostEventFlags, pVMMDevState->pVMMDevRAMHC->V.V1_03.u32GuestEventMask)); /* Move event flags to VMMDev RAM */ pVMMDevState->pVMMDevRAMHC->V.V1_03.u32HostEvents = u32EventFlags; if (u32EventFlags) { /* Clear host flags which will be delivered to guest. */ pVMMDevState->u32HostEventFlags &= ~u32EventFlags; Log(("vmmdevSetIRQ: pVMMDevState->u32HostEventFlags = 0x%08X\n", pVMMDevState->u32HostEventFlags)); u32IRQLevel = 1; } /* Set IRQ level for pin 0 */ /** @todo make IRQ pin configurable, at least a symbolic constant */ PPDMDEVINS pDevIns = VMMDEVSTATE_2_DEVINS(pVMMDevState); PDMDevHlpPCISetIrqNoWait(pDevIns, 0, u32IRQLevel); Log(("vmmdevSetIRQ: IRQ set %d\n", u32IRQLevel)); } static void vmmdevMaybeSetIRQ_EMT (VMMDevState *pVMMDevState) { PPDMDEVINS pDevIns = VMMDEVSTATE_2_DEVINS (pVMMDevState); #ifdef DEBUG_sunlover Log(("vmmdevMaybeSetIRQ_EMT: u32HostEventFlags = 0x%08X, u32GuestFilterMask = 0x%08X.\n", pVMMDevState->u32HostEventFlags, pVMMDevState->u32GuestFilterMask)); #endif /* DEBUG_sunlover */ if (pVMMDevState->u32HostEventFlags & pVMMDevState->u32GuestFilterMask) { pVMMDevState->pVMMDevRAMHC->V.V1_04.fHaveEvents = true; PDMDevHlpPCISetIrqNoWait (pDevIns, 0, 1); #ifdef DEBUG_sunlover Log(("vmmdevMaybeSetIRQ_EMT: IRQ set.\n")); #endif /* DEBUG_sunlover */ } } static void vmmdevNotifyGuest_EMT (VMMDevState *pVMMDevState, uint32_t u32EventMask) { #ifdef DEBUG_sunlover Log(("VMMDevNotifyGuest_EMT: u32EventMask = 0x%08X.\n", u32EventMask)); #endif /* DEBUG_sunlover */ if (VBOX_GUEST_ADDITIONS_VERSION_1_03 (pVMMDevState)) { #ifdef DEBUG_sunlover Log(("VMMDevNotifyGuest_EMT: Old additions detected.\n")); #endif /* DEBUG_sunlover */ pVMMDevState->u32HostEventFlags |= u32EventMask; vmmdevSetIRQ_Legacy_EMT (pVMMDevState); } else { #ifdef DEBUG_sunlover Log(("VMMDevNotifyGuest_EMT: New additions detected.\n")); #endif /* DEBUG_sunlover */ if (!pVMMDevState->fu32AdditionsOk) { pVMMDevState->u32HostEventFlags |= u32EventMask; Log(("vmmdevNotifyGuest_EMT: IRQ is not generated, guest has not yet reported to us.\n")); return; } const bool fHadEvents = (pVMMDevState->u32HostEventFlags & pVMMDevState->u32GuestFilterMask) != 0; #ifdef DEBUG_sunlover Log(("VMMDevNotifyGuest_EMT: fHadEvents = %d, u32HostEventFlags = 0x%08X, u32GuestFilterMask = 0x%08X.\n", fHadEvents, pVMMDevState->u32HostEventFlags, pVMMDevState->u32GuestFilterMask)); #endif /* DEBUG_sunlover */ pVMMDevState->u32HostEventFlags |= u32EventMask; if (!fHadEvents) vmmdevMaybeSetIRQ_EMT (pVMMDevState); } } static void vmmdevCtlGuestFilterMask_EMT (VMMDevState *pVMMDevState, uint32_t u32OrMask, uint32_t u32NotMask) { const bool fHadEvents = (pVMMDevState->u32HostEventFlags & pVMMDevState->u32GuestFilterMask) != 0; if (fHadEvents) { if (!pVMMDevState->fNewGuestFilterMask) pVMMDevState->u32NewGuestFilterMask = pVMMDevState->u32GuestFilterMask; pVMMDevState->u32NewGuestFilterMask |= u32OrMask; pVMMDevState->u32NewGuestFilterMask &= ~u32NotMask; pVMMDevState->fNewGuestFilterMask = true; } else { pVMMDevState->u32GuestFilterMask |= u32OrMask; pVMMDevState->u32GuestFilterMask &= ~u32NotMask; vmmdevMaybeSetIRQ_EMT (pVMMDevState); } } void VMMDevNotifyGuest (VMMDevState *pVMMDevState, uint32_t u32EventMask) { PPDMDEVINS pDevIns = VMMDEVSTATE_2_DEVINS(pVMMDevState); PVM pVM = PDMDevHlpGetVM(pDevIns); int rc; PVMREQ pReq; #ifdef DEBUG_sunlover Log(("VMMDevNotifyGuest: u32EventMask = 0x%08X.\n", u32EventMask)); #endif /* DEBUG_sunlover */ rc = VMR3ReqCallVoid (pVM, &pReq, RT_INDEFINITE_WAIT, (PFNRT) vmmdevNotifyGuest_EMT, 2, pVMMDevState, u32EventMask); AssertReleaseRC (rc); VMR3ReqFree (pReq); } /** * Port I/O Handler for OUT operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument - ignored. * @param uPort Port number used for the IN operation. * @param u32 The value to output. * @param cb The value size in bytes. */ #undef LOG_GROUP #define LOG_GROUP LOG_GROUP_DEV_VMM_BACKDOOR static DECLCALLBACK(int) vmmdevBackdoorLog(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb) { if (cb == 1 && Port == RTLOG_DEBUG_PORT) { VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState *); /* The raw version. */ switch (u32) { case '\r': Log2(("vmmdev: \n")); break; case '\n': Log2(("vmmdev: \n")); break; case '\t': Log2(("vmmdev: \n")); break; default: Log2(("vmmdev: %c (%02x)\n", u32, u32)); break; } /* The readable, buffered version. */ if (u32 == '\n' || u32 == '\r') { pData->szMsg[pData->iMsg] = '\0'; if (pData->iMsg) LogRel(("Guest Log: %s\n", pData->szMsg)); pData->iMsg = 0; } else { if (pData->iMsg >= sizeof(pData->szMsg)) { pData->szMsg[pData->iMsg] = '\0'; LogRel(("Guest Log: %s\n", pData->szMsg)); pData->iMsg = 0; } pData->szMsg[pData->iMsg] = (char )u32; pData->szMsg[++pData->iMsg] = '\0'; } } return VINF_SUCCESS; } #undef LOG_GROUP #define LOG_GROUP LOG_GROUP_DEV_VMM #ifdef TIMESYNC_BACKDOOR /** * Port I/O Handler for OUT operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument - ignored. * @param uPort Port number used for the IN operation. * @param u32 The value to output. * @param cb The value size in bytes. */ static DECLCALLBACK(int) vmmdevTimesyncBackdoorWrite(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb) { NOREF(pvUser); if (cb == 4) { VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState *); switch (u32) { case 0: pData->fTimesyncBackdoorLo = false; break; case 1: pData->fTimesyncBackdoorLo = true; } return VINF_SUCCESS; } return VINF_SUCCESS; } /** * Port I/O Handler for backdoor timesync IN operations. * * @returns VBox status code. * * @param pDevIns The device instance. * @param pvUser User argument - ignored. * @param uPort Port number used for the IN operation. * @param pu32 Where to store the result. * @param cb Number of bytes read. */ static DECLCALLBACK(int) vmmdevTimesyncBackdoorRead(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t *pu32, unsigned cb) { int rc; NOREF(pvUser); if (cb == 4) { VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState *); RTTIMESPEC now; if (pData->fTimesyncBackdoorLo) { *pu32 = (uint32_t)(pData->hostTime & (uint64_t)0xFFFFFFFF); } else { pData->hostTime = RTTimeSpecGetMilli(RTTimeNow(&now)); *pu32 = (uint32_t)(pData->hostTime >> 32); } rc = VINF_SUCCESS; } else rc = VERR_IOM_IOPORT_UNUSED; return rc; } #endif /* TIMESYNC_BACKDOOR */ /** * Port I/O Handler for the generic request interface * @see FNIOMIOPORTOUT for details. */ static DECLCALLBACK(int) vmmdevRequestHandler(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT Port, uint32_t u32, unsigned cb) { VMMDevState *pData = (VMMDevState*)pvUser; int rc; /* * The caller has passed the guest context physical address * of the request structure. Get the corresponding host virtual * address. */ VMMDevRequestHeader *requestHeader = NULL; rc = PDMDevHlpPhys2HCVirt(pDevIns, (RTGCPHYS)u32, 0, (PRTHCPTR)&requestHeader); if (VBOX_FAILURE(rc) || !requestHeader) { AssertMsgFailed(("VMMDev could not convert guest physical address to host virtual! rc = %Vrc\n", rc)); return VINF_SUCCESS; } /* the structure size must be greater or equal to the header size */ if (requestHeader->size < sizeof(VMMDevRequestHeader)) { Log(("VMMDev request header size too small! size = %d\n", requestHeader->size)); return VINF_SUCCESS; } /* check the version of the header structure */ if (requestHeader->version != VMMDEV_REQUEST_HEADER_VERSION) { Log(("VMMDev: guest header version (0x%08X) differs from ours (0x%08X)\n", requestHeader->version, VMMDEV_REQUEST_HEADER_VERSION)); return VINF_SUCCESS; } Log(("VMMDev request issued: %d\n", requestHeader->requestType)); if (requestHeader->requestType != VMMDevReq_ReportGuestInfo && !pData->fu32AdditionsOk) { Log(("VMMDev: guest has not yet reported to us. Refusing operation.\n")); requestHeader->rc = VERR_NOT_SUPPORTED; return VINF_SUCCESS; } /* which request was sent? */ switch (requestHeader->requestType) { /* * Guest wants to give up a timeslice */ case VMMDevReq_Idle: { /* just return to EMT telling it that we want to halt */ return VINF_EM_HALT; break; } /* * Guest is reporting its information */ case VMMDevReq_ReportGuestInfo: { if (requestHeader->size < sizeof(VMMDevReportGuestInfo)) { AssertMsgFailed(("VMMDev guest information structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevReportGuestInfo *guestInfo = (VMMDevReportGuestInfo*)requestHeader; if (memcmp (&pData->guestInfo, &guestInfo->guestInfo, sizeof (guestInfo->guestInfo)) != 0) { /* make a copy of supplied information */ pData->guestInfo = guestInfo->guestInfo; /* Check additions version */ pData->fu32AdditionsOk = VBOX_GUEST_ADDITIONS_VERSION_OK(pData->guestInfo.additionsVersion); LogRel(("Guest Additions information report:\t" " additionsVersion = 0x%08X\t" " osType = 0x%08X\n", pData->guestInfo.additionsVersion, pData->guestInfo.osType)); pData->pDrv->pfnUpdateGuestVersion(pData->pDrv, &pData->guestInfo); } if (pData->fu32AdditionsOk) { requestHeader->rc = VINF_SUCCESS; } else { requestHeader->rc = VERR_VERSION_MISMATCH; } } break; } /* * Retrieve mouse information */ case VMMDevReq_GetMouseStatus: { if (requestHeader->size != sizeof(VMMDevReqMouseStatus)) { AssertMsgFailed(("VMMDev mouse status structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevReqMouseStatus *mouseStatus = (VMMDevReqMouseStatus*)requestHeader; mouseStatus->mouseFeatures = 0; if (pData->mouseCapabilities & VMMDEV_MOUSEHOSTWANTSABS) { mouseStatus->mouseFeatures |= VBOXGUEST_MOUSE_HOST_CAN_ABSOLUTE; } if (pData->mouseCapabilities & VMMDEV_MOUSEGUESTWANTSABS) { mouseStatus->mouseFeatures |= VBOXGUEST_MOUSE_GUEST_CAN_ABSOLUTE; } if (pData->mouseCapabilities & VMMDEV_MOUSEHOSTCANNOTHWPOINTER) { mouseStatus->mouseFeatures |= VBOXGUEST_MOUSE_HOST_CANNOT_HWPOINTER; } mouseStatus->pointerXPos = pData->mouseXAbs; mouseStatus->pointerYPos = pData->mouseYAbs; Log(("returning mouse status: features = %d, absX = %d, absY = %d\n", mouseStatus->mouseFeatures, mouseStatus->pointerXPos, mouseStatus->pointerYPos)); requestHeader->rc = VINF_SUCCESS; } break; } /* * Set mouse information */ case VMMDevReq_SetMouseStatus: { if (requestHeader->size != sizeof(VMMDevReqMouseStatus)) { AssertMsgFailed(("VMMDev mouse status structure has invalid size %d (%#x) version=%d!\n", requestHeader->size, requestHeader->size, requestHeader->size, requestHeader->version)); requestHeader->rc = VERR_INVALID_PARAMETER; } else { bool bCapsChanged = false; VMMDevReqMouseStatus *mouseStatus = (VMMDevReqMouseStatus*)requestHeader; /* check if the guest wants absolute coordinates */ if (mouseStatus->mouseFeatures & VBOXGUEST_MOUSE_GUEST_CAN_ABSOLUTE) { /* set the capability flag and the changed flag if it's actually a change */ if (!(pData->mouseCapabilities & VMMDEV_MOUSEGUESTWANTSABS)) { pData->mouseCapabilities |= VMMDEV_MOUSEGUESTWANTSABS; bCapsChanged = true; LogRel(("Guest requests mouse pointer integration\n")); } } else { if (pData->mouseCapabilities & VMMDEV_MOUSEGUESTWANTSABS) { pData->mouseCapabilities &= ~VMMDEV_MOUSEGUESTWANTSABS; bCapsChanged = true; LogRel(("Guest disables mouse pointer integration\n")); } } if (mouseStatus->mouseFeatures & VBOXGUEST_MOUSE_GUEST_NEEDS_HOST_CURSOR) pData->mouseCapabilities |= VMMDEV_MOUSEGUESTNEEDSHOSTCUR; else pData->mouseCapabilities &= ~VMMDEV_MOUSEGUESTNEEDSHOSTCUR; /* * Notify connector if something has changed */ if (bCapsChanged) { Log(("VMMDevReq_SetMouseStatus: capabilities changed (%x), informing connector\n", pData->mouseCapabilities)); pData->pDrv->pfnUpdateMouseCapabilities(pData->pDrv, pData->mouseCapabilities); } requestHeader->rc = VINF_SUCCESS; } break; } /* * Set a new mouse pointer shape */ case VMMDevReq_SetPointerShape: { if (requestHeader->size < sizeof(VMMDevReqMousePointer)) { AssertMsg(requestHeader->size == 0x10028 && requestHeader->version == 10000, /* don't bitch about legacy!!! */ ("VMMDev mouse shape structure has invalid size %d (%#x) version=%d!\n", requestHeader->size, requestHeader->size, requestHeader->size, requestHeader->version)); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevReqMousePointer *pointerShape = (VMMDevReqMousePointer*)requestHeader; bool fVisible = (pointerShape->fFlags & VBOX_MOUSE_POINTER_VISIBLE) != 0; bool fAlpha = (pointerShape->fFlags & VBOX_MOUSE_POINTER_ALPHA) != 0; bool fShape = (pointerShape->fFlags & VBOX_MOUSE_POINTER_SHAPE) != 0; Log(("VMMDevReq_SetPointerShape: visible: %d, alpha: %d, shape = %d, width: %d, height: %d\n", fVisible, fAlpha, fShape, pointerShape->width, pointerShape->height)); /* forward call to driver */ if (fShape) { pData->pDrv->pfnUpdatePointerShape(pData->pDrv, fVisible, fAlpha, pointerShape->xHot, pointerShape->yHot, pointerShape->width, pointerShape->height, pointerShape->pointerData); } else { pData->pDrv->pfnUpdatePointerShape(pData->pDrv, fVisible, 0, 0, 0, 0, 0, NULL); } requestHeader->rc = VINF_SUCCESS; } break; } /* * Query the system time from the host */ case VMMDevReq_GetHostTime: { if (requestHeader->size != sizeof(VMMDevReqHostTime)) { AssertMsgFailed(("VMMDev host time structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else if (RT_UNLIKELY(pData->fGetHostTimeDisabled)) requestHeader->rc = VERR_NOT_SUPPORTED; else { VMMDevReqHostTime *hostTimeReq = (VMMDevReqHostTime*)requestHeader; RTTIMESPEC now; hostTimeReq->time = RTTimeSpecGetMilli(RTTimeNow(&now)); requestHeader->rc = VINF_SUCCESS; } break; } /* * Query information about the hypervisor */ case VMMDevReq_GetHypervisorInfo: { if (requestHeader->size != sizeof(VMMDevReqHypervisorInfo)) { AssertMsgFailed(("VMMDev hypervisor info structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevReqHypervisorInfo *hypervisorInfo = (VMMDevReqHypervisorInfo*)requestHeader; PVM pVM = PDMDevHlpGetVM(pDevIns); size_t hypervisorSize = 0; requestHeader->rc = PGMR3MappingsSize(pVM, &hypervisorSize); hypervisorInfo->hypervisorSize = (uint32_t)hypervisorSize; Assert(hypervisorInfo->hypervisorSize == hypervisorSize); } break; } /* * Set hypervisor information */ case VMMDevReq_SetHypervisorInfo: { if (requestHeader->size != sizeof(VMMDevReqHypervisorInfo)) { AssertMsgFailed(("VMMDev hypervisor info structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevReqHypervisorInfo *hypervisorInfo = (VMMDevReqHypervisorInfo*)requestHeader; PVM pVM = PDMDevHlpGetVM(pDevIns); if (hypervisorInfo->hypervisorStart == 0) { requestHeader->rc = PGMR3MappingsUnfix(pVM); } else { /* only if the client has queried the size before! */ size_t mappingsSize; requestHeader->rc = PGMR3MappingsSize(pVM, &mappingsSize); if (VBOX_SUCCESS(requestHeader->rc) && (hypervisorInfo->hypervisorSize == mappingsSize)) { /* new reservation */ requestHeader->rc = PGMR3MappingsFix(pVM, hypervisorInfo->hypervisorStart, hypervisorInfo->hypervisorSize); LogRel(("Guest reported fixed hypervisor window at 0x%p (size = 0x%x, rc = %Vrc)\n", hypervisorInfo->hypervisorStart, hypervisorInfo->hypervisorSize, requestHeader->rc)); } } } break; } /* * Set the system power status */ case VMMDevReq_SetPowerStatus: { if (requestHeader->size != sizeof(VMMDevPowerStateRequest)) { AssertMsgFailed(("VMMDev power state request structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevPowerStateRequest *powerStateRequest = (VMMDevPowerStateRequest*)requestHeader; switch(powerStateRequest->powerState) { case VMMDevPowerState_Pause: { LogRel(("Guest requests the VM to be suspended (paused)\n")); requestHeader->rc = PDMDevHlpVMSuspend(pDevIns); break; } case VMMDevPowerState_PowerOff: { LogRel(("Guest requests the VM to be turned off\n")); requestHeader->rc = PDMDevHlpVMPowerOff(pDevIns); /** @todo pass the rc around! */ break; } case VMMDevPowerState_SaveState: { /** @todo no API for that yet */ requestHeader->rc = VERR_NOT_IMPLEMENTED; break; } default: AssertMsgFailed(("VMMDev invalid power state request: %d\n", powerStateRequest->powerState)); requestHeader->rc = VERR_INVALID_PARAMETER; break; } } break; } /* * Get display change request */ case VMMDevReq_GetDisplayChangeRequest: { if (requestHeader->size != sizeof(VMMDevDisplayChangeRequest)) { /* Assert only if the size also not equal to a previous version size to prevent * assertion with old additions. */ AssertMsg(requestHeader->size == sizeof(VMMDevDisplayChangeRequest) - sizeof (uint32_t), ("VMMDev display change request structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevDisplayChangeRequest *displayChangeRequest = (VMMDevDisplayChangeRequest*)requestHeader; /* just pass on the information */ Log(("VMMDev: returning display change request xres = %d, yres = %d, bpp = %d\n", pData->displayChangeRequest.xres, pData->displayChangeRequest.yres, pData->displayChangeRequest.bpp)); displayChangeRequest->xres = pData->displayChangeRequest.xres; displayChangeRequest->yres = pData->displayChangeRequest.yres; displayChangeRequest->bpp = pData->displayChangeRequest.bpp; if (displayChangeRequest->eventAck == VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST) { /* Remember which resolution the client have queried. */ pData->lastReadDisplayChangeRequest = pData->displayChangeRequest; } requestHeader->rc = VINF_SUCCESS; } break; } /* * Query whether the given video mode is supported */ case VMMDevReq_VideoModeSupported: { if (requestHeader->size != sizeof(VMMDevVideoModeSupportedRequest)) { AssertMsgFailed(("VMMDev video mode supported request structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevVideoModeSupportedRequest *videoModeSupportedRequest = (VMMDevVideoModeSupportedRequest*)requestHeader; /* forward the call */ requestHeader->rc = pData->pDrv->pfnVideoModeSupported(pData->pDrv, videoModeSupportedRequest->width, videoModeSupportedRequest->height, videoModeSupportedRequest->bpp, &videoModeSupportedRequest->fSupported); } break; } /* * Query the height reduction in pixels */ case VMMDevReq_GetHeightReduction: { if (requestHeader->size != sizeof(VMMDevGetHeightReductionRequest)) { AssertMsgFailed(("VMMDev height reduction request structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevGetHeightReductionRequest *heightReductionRequest = (VMMDevGetHeightReductionRequest*)requestHeader; /* forward the call */ requestHeader->rc = pData->pDrv->pfnGetHeightReduction(pData->pDrv, &heightReductionRequest->heightReduction); } break; } /* * Acknowledge VMMDev events */ case VMMDevReq_AcknowledgeEvents: { if (requestHeader->size != sizeof(VMMDevEvents)) { AssertMsgFailed(("VMMDevReq_AcknowledgeEvents structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { if (VBOX_GUEST_ADDITIONS_VERSION_1_03 (pData)) { vmmdevSetIRQ_Legacy_EMT (pData); } else { VMMDevEvents *pAckRequest; if (pData->fNewGuestFilterMask) { pData->fNewGuestFilterMask = false; pData->u32GuestFilterMask = pData->u32NewGuestFilterMask; } pAckRequest = (VMMDevEvents *) requestHeader; pAckRequest->events = pData->u32HostEventFlags & pData->u32GuestFilterMask; pData->u32HostEventFlags &= ~pData->u32GuestFilterMask; pData->pVMMDevRAMHC->V.V1_04.fHaveEvents = false; PDMDevHlpPCISetIrqNoWait (pData->pDevIns, 0, 0); } requestHeader->rc = VINF_SUCCESS; } break; } /* * Change guest filter mask */ case VMMDevReq_CtlGuestFilterMask: { if (requestHeader->size != sizeof(VMMDevCtlGuestFilterMask)) { AssertMsgFailed(("VMMDevReq_AcknowledgeEvents structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevCtlGuestFilterMask *pCtlMaskRequest; pCtlMaskRequest = (VMMDevCtlGuestFilterMask *) requestHeader; vmmdevCtlGuestFilterMask_EMT (pData, pCtlMaskRequest->u32OrMask, pCtlMaskRequest->u32NotMask); requestHeader->rc = VINF_SUCCESS; } break; } #ifdef VBOX_HGCM /* * Process HGCM request */ case VMMDevReq_HGCMConnect: { if (requestHeader->size < sizeof(VMMDevHGCMConnect)) { AssertMsgFailed(("VMMDevReq_HGCMConnect structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else if (!pData->pHGCMDrv) { Log(("VMMDevReq_HGCMConnect HGCM Connector is NULL!\n")); requestHeader->rc = VERR_NOT_SUPPORTED; } else { VMMDevHGCMConnect *pHGCMConnect = (VMMDevHGCMConnect *)requestHeader; Log(("VMMDevReq_HGCMConnect\n")); requestHeader->rc = vmmdevHGCMConnect (pData, pHGCMConnect); } break; } case VMMDevReq_HGCMDisconnect: { if (requestHeader->size < sizeof(VMMDevHGCMDisconnect)) { AssertMsgFailed(("VMMDevReq_HGCMDisconnect structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else if (!pData->pHGCMDrv) { Log(("VMMDevReq_HGCMDisconnect HGCM Connector is NULL!\n")); requestHeader->rc = VERR_NOT_SUPPORTED; } else { VMMDevHGCMDisconnect *pHGCMDisconnect = (VMMDevHGCMDisconnect *)requestHeader; Log(("VMMDevReq_VMMDevHGCMDisconnect\n")); requestHeader->rc = vmmdevHGCMDisconnect (pData, pHGCMDisconnect); } break; } case VMMDevReq_HGCMCall: { if (requestHeader->size < sizeof(VMMDevHGCMCall)) { AssertMsgFailed(("VMMDevReq_HGCMCall structure has invalid size!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else if (!pData->pHGCMDrv) { Log(("VMMDevReq_HGCMCall HGCM Connector is NULL!\n")); requestHeader->rc = VERR_NOT_SUPPORTED; } else { VMMDevHGCMCall *pHGCMCall = (VMMDevHGCMCall *)requestHeader; Log(("VMMDevReq_HGCMCall: sizeof (VMMDevHGCMRequest) = %04X\n", sizeof (VMMDevHGCMCall))); Log(("%.*Vhxd\n", requestHeader->size, requestHeader)); requestHeader->rc = vmmdevHGCMCall (pData, pHGCMCall); } break; } #endif case VMMDevReq_VideoAccelEnable: { if (requestHeader->size < sizeof(VMMDevVideoAccelEnable)) { Log(("VMMDevReq_VideoAccelEnable request size too small!!!\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else if (!pData->pDrv) { Log(("VMMDevReq_VideoAccelEnable Connector is NULL!!!\n")); requestHeader->rc = VERR_NOT_SUPPORTED; } else { VMMDevVideoAccelEnable *ptr = (VMMDevVideoAccelEnable *)requestHeader; if (ptr->cbRingBuffer != VBVA_RING_BUFFER_SIZE) { /* The guest driver seems compiled with another headers. */ Log(("VMMDevReq_VideoAccelEnable guest ring buffer size %d, should be %d!!!\n", ptr->cbRingBuffer, VBVA_RING_BUFFER_SIZE)); requestHeader->rc = VERR_INVALID_PARAMETER; } else { /* The request is correct. */ ptr->fu32Status |= VBVA_F_STATUS_ACCEPTED; LogFlow(("VMMDevReq_VideoAccelEnable ptr->u32Enable = %d\n", ptr->u32Enable)); requestHeader->rc = ptr->u32Enable? pData->pDrv->pfnVideoAccelEnable (pData->pDrv, true, &pData->pVMMDevRAMHC->vbvaMemory): pData->pDrv->pfnVideoAccelEnable (pData->pDrv, false, NULL); if ( ptr->u32Enable && VBOX_SUCCESS (requestHeader->rc)) { ptr->fu32Status |= VBVA_F_STATUS_ENABLED; /* Remember that guest successfully enabled acceleration. * We need to reestablish it on restoring the VM from saved state. */ pData->u32VideoAccelEnabled = 1; } else { /* The acceleration was not enabled. Remember that. */ pData->u32VideoAccelEnabled = 0; } } } break; } case VMMDevReq_VideoAccelFlush: { if (requestHeader->size < sizeof(VMMDevVideoAccelFlush)) { AssertMsgFailed(("VMMDevReq_VideoAccelFlush request size too small.\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else if (!pData->pDrv) { Log(("VMMDevReq_VideoAccelFlush Connector is NULL!\n")); requestHeader->rc = VERR_NOT_SUPPORTED; } else { pData->pDrv->pfnVideoAccelFlush (pData->pDrv); requestHeader->rc = VINF_SUCCESS; } break; } case VMMDevReq_QueryCredentials: { if (requestHeader->size != sizeof(VMMDevCredentials)) { AssertMsgFailed(("VMMDevReq_QueryCredentials request size too small.\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevCredentials *credentials = (VMMDevCredentials*)requestHeader; /* let's start by nulling out the data */ memset(credentials->szUserName, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(credentials->szPassword, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(credentials->szDomain, '\0', VMMDEV_CREDENTIALS_STRLEN); /* should we return whether we got credentials for a logon? */ if (credentials->u32Flags & VMMDEV_CREDENTIALS_QUERYPRESENCE) { if ( pData->credentialsLogon.szUserName[0] || pData->credentialsLogon.szPassword[0] || pData->credentialsLogon.szDomain[0]) { credentials->u32Flags |= VMMDEV_CREDENTIALS_PRESENT; } else { credentials->u32Flags &= ~VMMDEV_CREDENTIALS_PRESENT; } } /* does the guest want to read logon credentials? */ if (credentials->u32Flags & VMMDEV_CREDENTIALS_READ) { if (pData->credentialsLogon.szUserName[0]) strcpy(credentials->szUserName, pData->credentialsLogon.szUserName); if (pData->credentialsLogon.szPassword[0]) strcpy(credentials->szPassword, pData->credentialsLogon.szPassword); if (pData->credentialsLogon.szDomain[0]) strcpy(credentials->szDomain, pData->credentialsLogon.szDomain); if (!pData->credentialsLogon.fAllowInteractiveLogon) credentials->u32Flags |= VMMDEV_CREDENTIALS_NOLOCALLOGON; else credentials->u32Flags &= ~VMMDEV_CREDENTIALS_NOLOCALLOGON; } /* does the caller want us to destroy the logon credentials? */ if (credentials->u32Flags & VMMDEV_CREDENTIALS_CLEAR) { memset(pData->credentialsLogon.szUserName, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsLogon.szPassword, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsLogon.szDomain, '\0', VMMDEV_CREDENTIALS_STRLEN); } /* does the guest want to read credentials for verification? */ if (credentials->u32Flags & VMMDEV_CREDENTIALS_READJUDGE) { if (pData->credentialsJudge.szUserName[0]) strcpy(credentials->szUserName, pData->credentialsJudge.szUserName); if (pData->credentialsJudge.szPassword[0]) strcpy(credentials->szPassword, pData->credentialsJudge.szPassword); if (pData->credentialsJudge.szDomain[0]) strcpy(credentials->szDomain, pData->credentialsJudge.szDomain); } /* does the caller want us to destroy the judgement credentials? */ if (credentials->u32Flags & VMMDEV_CREDENTIALS_CLEARJUDGE) { memset(pData->credentialsJudge.szUserName, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsJudge.szPassword, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsJudge.szDomain, '\0', VMMDEV_CREDENTIALS_STRLEN); } requestHeader->rc = VINF_SUCCESS; } break; } case VMMDevReq_ReportCredentialsJudgement: { if (requestHeader->size != sizeof(VMMDevCredentials)) { AssertMsgFailed(("VMMDevReq_ReportCredentialsJudgement request size too small.\n")); requestHeader->rc = VERR_INVALID_PARAMETER; } else { VMMDevCredentials *credentials = (VMMDevCredentials*)requestHeader; /* what does the guest think about the credentials? (note: the order is important here!) */ if (credentials->u32Flags & VMMDEV_CREDENTIALS_JUDGE_DENY) { pData->pDrv->pfnSetCredentialsJudgementResult(pData->pDrv, VMMDEV_CREDENTIALS_JUDGE_DENY); } else if (credentials->u32Flags & VMMDEV_CREDENTIALS_JUDGE_NOJUDGEMENT) { pData->pDrv->pfnSetCredentialsJudgementResult(pData->pDrv, VMMDEV_CREDENTIALS_JUDGE_NOJUDGEMENT); } else if (credentials->u32Flags & VMMDEV_CREDENTIALS_JUDGE_OK) { pData->pDrv->pfnSetCredentialsJudgementResult(pData->pDrv, VMMDEV_CREDENTIALS_JUDGE_OK); } else Log(("VMMDevReq_ReportCredentialsJudgement: invalid flags: %d!!!\n", credentials->u32Flags)); requestHeader->rc = VINF_SUCCESS; } break; } default: { requestHeader->rc = VERR_NOT_IMPLEMENTED; Log(("VMMDev unknown request type %d\n", requestHeader->requestType)); break; } } return VINF_SUCCESS; } /** * Callback function for mapping an PCI I/O region. * * @return VBox status code. * @param pPciDev Pointer to PCI device. Use pPciDev->pDevIns to get the device instance. * @param iRegion The region number. * @param GCPhysAddress Physical address of the region. If iType is PCI_ADDRESS_SPACE_IO, this is an * I/O port, else it's a physical address. * This address is *NOT* relative to pci_mem_base like earlier! * @param enmType One of the PCI_ADDRESS_SPACE_* values. */ static DECLCALLBACK(int) vmmdevIORAMRegionMap(PPCIDEVICE pPciDev, /*unsigned*/ int iRegion, RTGCPHYS GCPhysAddress, uint32_t cb, PCIADDRESSSPACE enmType) { int rc; VMMDevState *pData = PCIDEV_2_VMMDEVSTATE(pPciDev); LogFlow(("vmmdevR3IORAMRegionMap: iRegion=%d GCPhysAddress=%VGp cb=%#x enmType=%d\n", iRegion, GCPhysAddress, cb, enmType)); Assert(pData->pVMMDevRAMHC != NULL); memset (pData->pVMMDevRAMHC, 0, sizeof (VMMDevMemory)); pData->pVMMDevRAMHC->u32Size = sizeof (VMMDevMemory); pData->pVMMDevRAMHC->u32Version = VMMDEV_MEMORY_VERSION; /* * VMMDev RAM mapping. */ if (iRegion == 1 && enmType == PCI_ADDRESS_SPACE_MEM) { /* * Register and lock the RAM. * * Windows usually re-initializes the PCI devices, so we have to check whether the memory was * already registered before trying to do that all over again. */ PVM pVM = PDMDevHlpGetVM(pPciDev->pDevIns); if (pData->GCPhysVMMDevRAM) { /* * Relocate the already registered VMMDevRAM. */ rc = MMR3PhysRelocate(pVM, pData->GCPhysVMMDevRAM, GCPhysAddress, VMMDEV_RAM_SIZE); if (VBOX_SUCCESS(rc)) { pData->GCPhysVMMDevRAM = GCPhysAddress; return VINF_SUCCESS; } AssertReleaseMsgFailed(("Failed to relocate VMMDev RAM from %VGp to %VGp! rc=%Vra\n", pData->GCPhysVMMDevRAM, GCPhysAddress, rc)); } else { /* * Register and lock the VMMDevRAM. */ /** @todo MM_RAM_FLAGS_MMIO2 seems to be appropriate for a RW memory. * Need to check. May be a RO memory is enough for the device. */ rc = MMR3PhysRegister(pVM, pData->pVMMDevRAMHC, GCPhysAddress, VMMDEV_RAM_SIZE, MM_RAM_FLAGS_MMIO2, "VBoxDev"); if (VBOX_SUCCESS(rc)) { pData->GCPhysVMMDevRAM = GCPhysAddress; return VINF_SUCCESS; } AssertReleaseMsgFailed(("Failed to register VMMDev RAM! rc=%Vra\n", rc)); } return rc; } AssertReleaseMsgFailed(("VMMDev wrong region type: iRegion=%d enmType=%d\n", iRegion, enmType)); return VERR_INTERNAL_ERROR; } /** * Callback function for mapping a PCI I/O region. * * @return VBox status code. * @param pPciDev Pointer to PCI device. Use pPciDev->pDevIns to get the device instance. * @param iRegion The region number. * @param GCPhysAddress Physical address of the region. If iType is PCI_ADDRESS_SPACE_IO, this is an * I/O port, else it's a physical address. * This address is *NOT* relative to pci_mem_base like earlier! * @param enmType One of the PCI_ADDRESS_SPACE_* values. */ static DECLCALLBACK(int) vmmdevIOPortRegionMap(PPCIDEVICE pPciDev, /*unsigned*/ int iRegion, RTGCPHYS GCPhysAddress, uint32_t cb, PCIADDRESSSPACE enmType) { VMMDevState *pData = PCIDEV_2_VMMDEVSTATE(pPciDev); int rc = VINF_SUCCESS; Assert(enmType == PCI_ADDRESS_SPACE_IO); Assert(iRegion == 0); AssertMsg(RT_ALIGN(GCPhysAddress, 8) == GCPhysAddress, ("Expected 8 byte alignment. GCPhysAddress=%#x\n", GCPhysAddress)); /* * Save the base port address to simplify Port offset calculations. */ pData->PortBase = (RTIOPORT)GCPhysAddress; /* * Register our port IO handlers. */ rc = PDMDevHlpIOPortRegister(pPciDev->pDevIns, (RTIOPORT)GCPhysAddress + PORT_VMMDEV_REQUEST_OFFSET, 1, (void*)pData, vmmdevRequestHandler, NULL, NULL, NULL, "VMMDev Request Handler"); AssertRC(rc); return rc; } /** * Queries an interface to the driver. * * @returns Pointer to interface. * @returns NULL if the interface was not supported by the driver. * @param pInterface Pointer to this interface structure. * @param enmInterface The requested interface identification. * @thread Any thread. */ static DECLCALLBACK(void *) vmmdevPortQueryInterface(PPDMIBASE pInterface, PDMINTERFACE enmInterface) { VMMDevState *pData = (VMMDevState*)((uintptr_t)pInterface - RT_OFFSETOF(VMMDevState, Base)); switch (enmInterface) { case PDMINTERFACE_BASE: return &pData->Base; case PDMINTERFACE_VMMDEV_PORT: return &pData->Port; #ifdef VBOX_HGCM case PDMINTERFACE_HGCM_PORT: return &pData->HGCMPort; #endif default: return NULL; } } /* -=-=-=-=-=- IVMMDevPort -=-=-=-=-=- */ /** Converts a VMMDev port interface pointer to a VMMDev state pointer. */ #define IVMMDEVPORT_2_VMMDEVSTATE(pInterface) ( (VMMDevState*)((uintptr_t)pInterface - RT_OFFSETOF(VMMDevState, Port)) ) /** * Return the current absolute mouse position in pixels * * @returns VBox status code * @param pAbsX Pointer of result value, can be NULL * @param pAbsY Pointer of result value, can be NULL */ static DECLCALLBACK(int) vmmdevQueryAbsoluteMouse(PPDMIVMMDEVPORT pInterface, uint32_t *pAbsX, uint32_t *pAbsY) { VMMDevState *pData = IVMMDEVPORT_2_VMMDEVSTATE(pInterface); if (pAbsX) *pAbsX = pData->mouseXAbs; if (pAbsY) *pAbsY = pData->mouseYAbs; return VINF_SUCCESS; } /** * Set the new absolute mouse position in pixels * * @returns VBox status code * @param absX New absolute X position * @param absY New absolute Y position */ static DECLCALLBACK(int) vmmdevSetAbsoluteMouse(PPDMIVMMDEVPORT pInterface, uint32_t absX, uint32_t absY) { VMMDevState *pData = IVMMDEVPORT_2_VMMDEVSTATE(pInterface); Log(("vmmdevSetAbsoluteMouse: settings absolute position to x = %d, y = %d\n", absX, absY)); pData->mouseXAbs = absX; pData->mouseYAbs = absY; return VINF_SUCCESS; } /** * Return the current mouse capability flags * * @returns VBox status code * @param pCapabilities Pointer of result value */ static DECLCALLBACK(int) vmmdevQueryMouseCapabilities(PPDMIVMMDEVPORT pInterface, uint32_t *pCapabilities) { VMMDevState *pData = IVMMDEVPORT_2_VMMDEVSTATE(pInterface); if (!pCapabilities) return VERR_INVALID_PARAMETER; *pCapabilities = pData->mouseCapabilities; return VINF_SUCCESS; } /** * Set the current mouse capability flag (host side) * * @returns VBox status code * @param capabilities Capability mask */ static DECLCALLBACK(int) vmmdevSetMouseCapabilities(PPDMIVMMDEVPORT pInterface, uint32_t capabilities) { VMMDevState *pData = IVMMDEVPORT_2_VMMDEVSTATE(pInterface); bool bCapsChanged = ((capabilities & VMMDEV_MOUSEHOSTWANTSABS) != (pData->mouseCapabilities & VMMDEV_MOUSEHOSTWANTSABS)); Log(("vmmdevSetMouseCapabilities: bCapsChanged %d\n", bCapsChanged)); if (capabilities & VMMDEV_MOUSEHOSTCANNOTHWPOINTER) pData->mouseCapabilities |= VMMDEV_MOUSEHOSTCANNOTHWPOINTER; else pData->mouseCapabilities &= ~VMMDEV_MOUSEHOSTCANNOTHWPOINTER; if (capabilities & VMMDEV_MOUSEHOSTWANTSABS) pData->mouseCapabilities |= VMMDEV_MOUSEHOSTWANTSABS; else pData->mouseCapabilities &= ~VMMDEV_MOUSEHOSTWANTSABS; if (bCapsChanged) VMMDevNotifyGuest (pData, VMMDEV_EVENT_MOUSE_CAPABILITIES_CHANGED); return VINF_SUCCESS; } static DECLCALLBACK(int) vmmdevRequestDisplayChange(PPDMIVMMDEVPORT pInterface, uint32_t xres, uint32_t yres, uint32_t bpp) { VMMDevState *pData = IVMMDEVPORT_2_VMMDEVSTATE(pInterface); /* Verify that the new resolution is different and that guest does not yet know about it. */ bool fSameResolution = (!xres || (pData->lastReadDisplayChangeRequest.xres == xres)) && (!yres || (pData->lastReadDisplayChangeRequest.yres == yres)) && (!bpp || (pData->lastReadDisplayChangeRequest.bpp == bpp)); if (!xres && !yres && !bpp) { /* Special case of reset video mode. */ fSameResolution = false; } #ifdef DEBUG_sunlover Log(("vmmdevRequestDisplayChange: same=%d. new: xres=%d, yres=%d, bpp=%d. old: xres=%d, yres=%d, bpp=%d.\n", fSameResolution, xres, yres, bpp, pData->lastReadDisplayChangeRequest.xres, pData->lastReadDisplayChangeRequest.yres, pData->lastReadDisplayChangeRequest.bpp)); #endif /* DEBUG_sunlover */ if (!fSameResolution) { LogRel(("VMMDev::SetVideoModeHint: got a video mode hint (%dx%dx%d)\n", xres, yres, bpp)); /* we could validate the information here but hey, the guest can do that as well! */ pData->displayChangeRequest.xres = xres; pData->displayChangeRequest.yres = yres; pData->displayChangeRequest.bpp = bpp; /* IRQ so the guest knows what's going on */ VMMDevNotifyGuest (pData, VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST); } return VINF_SUCCESS; } static DECLCALLBACK(int) vmmdevSetCredentials(PPDMIVMMDEVPORT pInterface, const char *pszUsername, const char *pszPassword, const char *pszDomain, uint32_t u32Flags) { VMMDevState *pData = IVMMDEVPORT_2_VMMDEVSTATE(pInterface); /* logon mode? */ if (u32Flags & VMMDEV_SETCREDENTIALS_GUESTLOGON) { /* memorize the data */ strcpy(pData->credentialsLogon.szUserName, pszUsername); strcpy(pData->credentialsLogon.szPassword, pszPassword); strcpy(pData->credentialsLogon.szDomain, pszDomain); pData->credentialsLogon.fAllowInteractiveLogon = !(u32Flags & VMMDEV_SETCREDENTIALS_NOLOCALLOGON); } /* credentials verification mode? */ else if (u32Flags & VMMDEV_SETCREDENTIALS_JUDGE) { /* memorize the data */ strcpy(pData->credentialsJudge.szUserName, pszUsername); strcpy(pData->credentialsJudge.szPassword, pszPassword); strcpy(pData->credentialsJudge.szDomain, pszDomain); VMMDevNotifyGuest (pData, VMMDEV_EVENT_JUDGE_CREDENTIALS); } else return VERR_INVALID_PARAMETER; return VINF_SUCCESS; } /** * Notification from the Display. Especially useful when * acceleration is disabled after a video mode change. * * @param fEnable Current acceleration status. */ static DECLCALLBACK(void) vmmdevVBVAChange(PPDMIVMMDEVPORT pInterface, bool fEnabled) { VMMDevState *pData = IVMMDEVPORT_2_VMMDEVSTATE(pInterface); Log(("vmmdevVBVAChange: fEnabled = %d\n", fEnabled)); if (pData) { pData->u32VideoAccelEnabled = fEnabled; } return; } /* -=-=-=-=-=- IHGCMPort -=-=-=-=-=- */ /** Converts a VMMDev port interface pointer to a VMMDev state pointer. */ #define IHGCMPORT_2_VMMDEVSTATE(pInterface) ( (VMMDevState*)((uintptr_t)pInterface - RT_OFFSETOF(VMMDevState, HGCMPort)) ) #define VMMDEV_SSM_VERSION 2 /** * Saves a state of the VMM device. * * @returns VBox status code. * @param pDevIns The device instance. * @param pSSMHandle The handle to save the state to. */ static DECLCALLBACK(int) vmmdevSaveState(PPDMDEVINS pDevIns, PSSMHANDLE pSSMHandle) { VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState*); SSMR3PutU32(pSSMHandle, pData->hypervisorSize); SSMR3PutU32(pSSMHandle, pData->mouseCapabilities); SSMR3PutU32(pSSMHandle, pData->mouseXAbs); SSMR3PutU32(pSSMHandle, pData->mouseYAbs); SSMR3PutBool(pSSMHandle, pData->fNewGuestFilterMask); SSMR3PutU32(pSSMHandle, pData->u32NewGuestFilterMask); SSMR3PutU32(pSSMHandle, pData->u32HostEventFlags); // here be dragons (probably) // SSMR3PutBool(pSSMHandle, pData->pVMMDevRAMHC->V.V1_04.fHaveEvents); SSMR3PutMem(pSSMHandle, &pData->pVMMDevRAMHC->V, sizeof (pData->pVMMDevRAMHC->V)); SSMR3PutMem(pSSMHandle, &pData->guestInfo, sizeof (pData->guestInfo)); SSMR3PutU32(pSSMHandle, pData->fu32AdditionsOk); SSMR3PutU32(pSSMHandle, pData->u32VideoAccelEnabled); return VINF_SUCCESS; } /** * Loads the saved VMM device state. * * @returns VBox status code. * @param pDevIns The device instance. * @param pSSMHandle The handle to the saved state. * @param u32Version The data unit version number. */ static DECLCALLBACK(int) vmmdevLoadState(PPDMDEVINS pDevIns, PSSMHANDLE pSSMHandle, uint32_t u32Version) { VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState*); if (u32Version != VMMDEV_SSM_VERSION) return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION; SSMR3GetU32(pSSMHandle, &pData->hypervisorSize); SSMR3GetU32(pSSMHandle, &pData->mouseCapabilities); SSMR3GetU32(pSSMHandle, &pData->mouseXAbs); SSMR3GetU32(pSSMHandle, &pData->mouseYAbs); SSMR3GetBool(pSSMHandle, &pData->fNewGuestFilterMask); SSMR3GetU32(pSSMHandle, &pData->u32NewGuestFilterMask); SSMR3GetU32(pSSMHandle, &pData->u32HostEventFlags); // SSMR3GetBool(pSSMHandle, &pData->pVMMDevRAMHC->fHaveEvents); // here be dragons (probably) SSMR3GetMem(pSSMHandle, &pData->pVMMDevRAMHC->V, sizeof (pData->pVMMDevRAMHC->V)); SSMR3GetMem(pSSMHandle, &pData->guestInfo, sizeof (pData->guestInfo)); SSMR3GetU32(pSSMHandle, &pData->fu32AdditionsOk); SSMR3GetU32(pSSMHandle, &pData->u32VideoAccelEnabled); /* * On a resume, we send the capabilities changed message so * that listeners can sync their state again */ Log(("vmmdevLoadState: capabilities changed (%x), informing connector\n", pData->mouseCapabilities)); pData->pDrv->pfnUpdateMouseCapabilities(pData->pDrv, pData->mouseCapabilities); /* Reestablish the acceleration status. */ if (pData->u32VideoAccelEnabled) { pData->pDrv->pfnVideoAccelEnable (pData->pDrv, !!pData->u32VideoAccelEnabled, &pData->pVMMDevRAMHC->vbvaMemory); } return VINF_SUCCESS; } /** * Load state done callback. Notify guest of restore event. * * @returns VBox status code. * @param pDevIns The device instance. * @param pSSMHandle The handle to the saved state. */ static DECLCALLBACK(int) vmmdevLoadStateDone(PPDMDEVINS pDevIns, PSSMHANDLE pSSMHandle) { VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState*); VMMDevNotifyGuest (pData, VMMDEV_EVENT_RESTORED); return VINF_SUCCESS; } /** * Construct a device instance for a VM. * * @returns VBox status. * @param pDevIns The device instance data. * If the registration structure is needed, pDevIns->pDevReg points to it. * @param iInstance Instance number. Use this to figure out which registers and such to use. * The device number is also found in pDevIns->iInstance, but since it's * likely to be freqently used PDM passes it as parameter. * @param pCfgHandle Configuration node handle for the device. Use this to obtain the configuration * of the device instance. It's also found in pDevIns->pCfgHandle, but like * iInstance it's expected to be used a bit in this function. */ static DECLCALLBACK(int) vmmdevConstruct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfgHandle) { int rc; VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState *); Assert(iInstance == 0); /* * Validate and read the configuration. */ if (!CFGMR3AreValuesValid(pCfgHandle, "GetHostTimeDisabled\0")) return VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES; rc = CFGMR3QueryBool(pCfgHandle, "GetHostTimeDisabled", &pData->fGetHostTimeDisabled); if (rc == VERR_CFGM_VALUE_NOT_FOUND) pData->fGetHostTimeDisabled = false; else if (VBOX_FAILURE(rc)) return PDMDevHlpVMSetError(pDevIns, rc, RT_SRC_POS, N_("Configuration error: Failed querying \"GetHostTimeDisabled\" as a boolean. (%Vrc)"), rc); /* * Initialize data (most of it anyway). */ /* PCI vendor, just a free bogus value */ pData->dev.config[0x00] = 0xee; pData->dev.config[0x01] = 0x80; /* device ID */ pData->dev.config[0x02] = 0xfe; pData->dev.config[0x03] = 0xca; /* class sub code (other type of system peripheral) */ pData->dev.config[0x0a] = 0x80; /* class base code (base system peripheral) */ pData->dev.config[0x0b] = 0x08; /* header type */ pData->dev.config[0x0e] = 0x00; /* interrupt on pin 0 */ pData->dev.config[0x3d] = 0x01; /* * Register the backdoor logging port */ rc = PDMDevHlpIOPortRegister(pDevIns, RTLOG_DEBUG_PORT, 1, NULL, vmmdevBackdoorLog, NULL, NULL, NULL, "VMMDev backdoor logging"); #ifdef TIMESYNC_BACKDOOR /* * Alternative timesync source (temporary!) */ rc = PDMDevHlpIOPortRegister(pDevIns, 0x505, 1, NULL, vmmdevTimesyncBackdoorWrite, vmmdevTimesyncBackdoorRead, NULL, NULL, "VMMDev timesync backdoor"); #endif /* * Register the PCI device. */ rc = PDMDevHlpPCIRegister(pDevIns, &pData->dev); if (VBOX_FAILURE(rc)) return rc; if (pData->dev.devfn == 32 || iInstance != 0) Log(("!!WARNING!!: pData->dev.devfn=%d (ignore if testcase or no started by Main)\n", pData->dev.devfn)); rc = PDMDevHlpPCIIORegionRegister(pDevIns, 0, 0x20, PCI_ADDRESS_SPACE_IO, vmmdevIOPortRegionMap); if (VBOX_FAILURE(rc)) return rc; rc = PDMDevHlpPCIIORegionRegister(pDevIns, 1, VMMDEV_RAM_SIZE, PCI_ADDRESS_SPACE_MEM, vmmdevIORAMRegionMap); if (VBOX_FAILURE(rc)) return rc; /* * Interfaces */ /* Base */ pData->Base.pfnQueryInterface = vmmdevPortQueryInterface; /* VMMDev port */ pData->Port.pfnQueryAbsoluteMouse = vmmdevQueryAbsoluteMouse; pData->Port.pfnSetAbsoluteMouse = vmmdevSetAbsoluteMouse; pData->Port.pfnQueryMouseCapabilities = vmmdevQueryMouseCapabilities; pData->Port.pfnSetMouseCapabilities = vmmdevSetMouseCapabilities; pData->Port.pfnRequestDisplayChange = vmmdevRequestDisplayChange; pData->Port.pfnSetCredentials = vmmdevSetCredentials; pData->Port.pfnVBVAChange = vmmdevVBVAChange; #ifdef VBOX_HGCM /* HGCM port */ pData->HGCMPort.pfnCompleted = hgcmCompleted; #endif /* * Get the corresponding connector interface */ rc = PDMDevHlpDriverAttach(pDevIns, 0, &pData->Base, &pData->pDrvBase, "VMM Driver Port"); if (VBOX_SUCCESS(rc)) { pData->pDrv = (PPDMIVMMDEVCONNECTOR)pData->pDrvBase->pfnQueryInterface(pData->pDrvBase, PDMINTERFACE_VMMDEV_CONNECTOR); if (!pData->pDrv) { AssertMsgFailed(("LUN #0 doesn't have a VMMDev connector interface! rc=%Vrc\n", rc)); rc = VERR_PDM_MISSING_INTERFACE; } #ifdef VBOX_HGCM else { pData->pHGCMDrv = (PPDMIHGCMCONNECTOR)pData->pDrvBase->pfnQueryInterface(pData->pDrvBase, PDMINTERFACE_HGCM_CONNECTOR); if (!pData->pHGCMDrv) { Log(("LUN #0 doesn't have a HGCM connector interface, HGCM is not supported. rc=%Vrc\n", rc)); /* this is not actually an error, just means that there is no support for HGCM */ } } #endif } else if (rc == VERR_PDM_NO_ATTACHED_DRIVER) { Log(("%s/%d: warning: no driver attached to LUN #0!\n", pDevIns->pDevReg->szDeviceName, pDevIns->iInstance)); rc = VINF_SUCCESS; } else AssertMsgFailed(("Failed to attach LUN #0! rc=%Vrc\n", rc)); rc = PDMDevHlpSSMRegister(pDevIns, "VMMDev", iInstance, VMMDEV_SSM_VERSION, sizeof(*pData), NULL, vmmdevSaveState, NULL, NULL, vmmdevLoadState, vmmdevLoadStateDone); /* Save PDM device instance data for future reference. */ pData->pDevIns = pDevIns; /* * Allocate the VMMDev RAM region. */ /** @todo freeing of the RAM. */ rc = SUPPageAlloc(VMMDEV_RAM_SIZE >> PAGE_SHIFT, (void **)&pData->pVMMDevRAMHC); if (VBOX_FAILURE(rc)) { AssertMsgFailed(("VMMDev SUPPageAlloc(%#x,) -> %d\n", VMMDEV_RAM_SIZE, rc)); } /* initialize the VMMDev memory */ memset (pData->pVMMDevRAMHC, 0, sizeof (VMMDevMemory)); pData->pVMMDevRAMHC->u32Size = sizeof (VMMDevMemory); pData->pVMMDevRAMHC->u32Version = VMMDEV_MEMORY_VERSION; return rc; } /** * Reset notification. * * @returns VBox status. * @param pDrvIns The driver instance data. */ static DECLCALLBACK(void) vmmdevReset(PPDMDEVINS pDevIns) { VMMDevState *pData = PDMINS2DATA(pDevIns, VMMDevState*); /* * Reset the mouse integration feature bit */ if (pData->mouseCapabilities & (VMMDEV_MOUSEGUESTWANTSABS|VMMDEV_MOUSEGUESTNEEDSHOSTCUR)) { pData->mouseCapabilities &= ~VMMDEV_MOUSEGUESTWANTSABS; /* notify the connector */ Log(("vmmdevReset: capabilities changed (%x), informing connector\n", pData->mouseCapabilities)); pData->pDrv->pfnUpdateMouseCapabilities(pData->pDrv, pData->mouseCapabilities); } pData->hypervisorSize = 0; pData->u32HostEventFlags = 0; if (pData->pVMMDevRAMHC) { memset (pData->pVMMDevRAMHC, 0, sizeof (VMMDevMemory)); } /* credentials have to go away */ memset(pData->credentialsLogon.szUserName, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsLogon.szPassword, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsLogon.szDomain, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsJudge.szUserName, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsJudge.szPassword, '\0', VMMDEV_CREDENTIALS_STRLEN); memset(pData->credentialsJudge.szDomain, '\0', VMMDEV_CREDENTIALS_STRLEN); /* Reset means that additions will report again. */ pData->fu32AdditionsOk = false; memset (&pData->guestInfo, 0, sizeof (pData->guestInfo)); memset (&pData->lastReadDisplayChangeRequest, 0, sizeof (pData->lastReadDisplayChangeRequest)); /* Clear the event variables. * * Note: The pData->u32HostEventFlags is not cleared. * It is designed that way so host events do not * depend on guest resets. */ pData->u32GuestFilterMask = 0; pData->u32NewGuestFilterMask = 0; pData->fNewGuestFilterMask = 0; } /** * The device registration structure. */ extern "C" const PDMDEVREG g_DeviceVMMDev = { /* u32Version */ PDM_DEVREG_VERSION, /* szDeviceName */ "VMMDev", /* szGCMod */ "", /* szR0Mod */ "", /* pszDescription */ "VirtualBox VMM Device\n", /* fFlags */ PDM_DEVREG_FLAGS_HOST_BITS_DEFAULT | PDM_DEVREG_FLAGS_GUEST_BITS_32, /* fClass */ PDM_DEVREG_CLASS_VMM_DEV, /* cMaxInstances */ 1, /* cbInstance */ sizeof(VMMDevState), /* pfnConstruct */ vmmdevConstruct, /* pfnDestruct */ NULL, /* pfnRelocate */ NULL, /* pfnIOCtl */ NULL, /* pfnPowerOn */ NULL, /* pfnReset */ vmmdevReset, /* pfnSuspend */ NULL, /* pfnResume */ NULL, /* pfnAttach */ NULL, /* pfnDetach */ NULL, /* pfnQueryInterface. */ NULL };