/* $Id: PDMRCDevice.cpp 49548 2013-11-19 13:07:10Z vboxsync $ */ /** @file * PDM - Pluggable Device and Driver Manager, RC Device parts. */ /* * Copyright (C) 2006-2013 Oracle Corporation * * 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 (GPL) 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. */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_PDM_DEVICE #include "PDMInternal.h" #include #include #include #include #include #include #include #include #include #include #include #include "dtrace/VBoxVMM.h" #include "PDMInline.h" /******************************************************************************* * Global Variables * *******************************************************************************/ RT_C_DECLS_BEGIN extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp; extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp; extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp; extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp; extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp; extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp; extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp; /** @todo missing PDMPCIRAWHLPRC */ RT_C_DECLS_END /******************************************************************************* * Internal Functions * *******************************************************************************/ static bool pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel, uint32_t uTagSrc); /** @name Raw-Mode Context Device Helpers * @{ */ /** @interface_method_impl{PDMDEVHLPRC,pfnPCIPhysRead} */ static DECLCALLBACK(int) pdmRCDevHlp_PCIPhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead) { PDMDEV_ASSERT_DEVINS(pDevIns); #ifndef PDM_DO_NOT_RESPECT_PCI_BM_BIT /* * Just check the busmaster setting here and forward the request to the generic read helper. */ PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceRC; AssertReleaseMsg(pPciDev, ("No PCI device registered!\n")); if (!PCIDevIsBusmaster(pPciDev)) { Log(("pdmRCDevHlp_PCIPhysRead: caller=%p/%d: returns %Rrc - Not bus master! GCPhys=%RGp cbRead=%#zx\n", pDevIns, pDevIns->iInstance, VERR_PDM_NOT_PCI_BUS_MASTER, GCPhys, cbRead)); return VERR_PDM_NOT_PCI_BUS_MASTER; } #endif return pDevIns->pHlpRC->pfnPhysRead(pDevIns, GCPhys, pvBuf, cbRead); } /** @interface_method_impl{PDMDEVHLPRC,pfnPCIPhysRead} */ static DECLCALLBACK(int) pdmRCDevHlp_PCIPhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite) { PDMDEV_ASSERT_DEVINS(pDevIns); /* * Just check the busmaster setting here and forward the request to the generic read helper. */ PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceRC; AssertReleaseMsg(pPciDev, ("No PCI device registered!\n")); if (!PCIDevIsBusmaster(pPciDev)) { Log(("pdmRCDevHlp_PCIPhysWrite: caller=%p/%d: returns %Rrc - Not bus master! GCPhys=%RGp cbWrite=%#zx\n", pDevIns, pDevIns->iInstance, VERR_PDM_NOT_PCI_BUS_MASTER, GCPhys, cbWrite)); return VERR_PDM_NOT_PCI_BUS_MASTER; } return pDevIns->pHlpRC->pfnPhysWrite(pDevIns, GCPhys, pvBuf, cbWrite); } /** @interface_method_impl{PDMDEVHLPRC,pfnPCISetIrq} */ static DECLCALLBACK(void) pdmRCDevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel)); PVM pVM = pDevIns->Internal.s.pVMRC; PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceRC; PPDMPCIBUS pPciBus = pDevIns->Internal.s.pPciBusRC; pdmLock(pVM); uint32_t uTagSrc; if (iLevel & PDM_IRQ_LEVEL_HIGH) { pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing); if (iLevel == PDM_IRQ_LEVEL_HIGH) VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc)); else VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc)); } else uTagSrc = pDevIns->Internal.s.uLastIrqTag; if ( pPciDev && pPciBus && pPciBus->pDevInsRC) { pPciBus->pfnSetIrqRC(pPciBus->pDevInsRC, pPciDev, iIrq, iLevel, uTagSrc); pdmUnlock(pVM); if (iLevel == PDM_IRQ_LEVEL_LOW) VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc)); } else { pdmUnlock(pVM); /* queue for ring-3 execution. */ PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC); AssertReturnVoid(pTask); pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ; pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns); pTask->u.SetIRQ.iIrq = iIrq; pTask->u.SetIRQ.iLevel = iLevel; pTask->u.SetIRQ.uTagSrc = uTagSrc; PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0); } LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc)); } /** @interface_method_impl{PDMDRVHLPRC,pfnPCISetIrq} */ static DECLCALLBACK(void) pdmRCDevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel)); PVM pVM = pDevIns->Internal.s.pVMRC; pdmLock(pVM); uint32_t uTagSrc; if (iLevel & PDM_IRQ_LEVEL_HIGH) { pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing); if (iLevel == PDM_IRQ_LEVEL_HIGH) VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc)); else VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc)); } else uTagSrc = pDevIns->Internal.s.uLastIrqTag; bool fRc = pdmRCIsaSetIrq(pVM, iIrq, iLevel, uTagSrc); if (iLevel == PDM_IRQ_LEVEL_LOW && fRc) VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc)); pdmUnlock(pVM); LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc)); } /** @interface_method_impl{PDMDEVHLPRC,pfnPhysRead} */ static DECLCALLBACK(int) pdmRCDevHlp_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_PhysRead: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbRead=%#x\n", pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbRead)); int rc = PGMPhysRead(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbRead); AssertRC(rc); /** @todo track down the users for this bugger. */ Log(("pdmRCDevHlp_PhysRead: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDEVHLPRC,pfnPhysWrite} */ static DECLCALLBACK(int) pdmRCDevHlp_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_PhysWrite: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbWrite=%#x\n", pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbWrite)); int rc = PGMPhysWrite(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbWrite); AssertRC(rc); /** @todo track down the users for this bugger. */ Log(("pdmRCDevHlp_PhysWrite: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, rc)); return rc; } /** @interface_method_impl{PDMDEVHLPRC,pfnA20IsEnabled} */ static DECLCALLBACK(bool) pdmRCDevHlp_A20IsEnabled(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_A20IsEnabled: caller=%p/%d:\n", pDevIns, pDevIns->iInstance)); bool fEnabled = PGMPhysIsA20Enabled(VMMGetCpu0(pDevIns->Internal.s.pVMRC)); Log(("pdmRCDevHlp_A20IsEnabled: caller=%p/%d: returns %RTbool\n", pDevIns, pDevIns->iInstance, fEnabled)); return fEnabled; } /** @interface_method_impl{PDMDEVHLPRC,pfnVMState} */ static DECLCALLBACK(VMSTATE) pdmRCDevHlp_VMState(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); VMSTATE enmVMState = pDevIns->Internal.s.pVMRC->enmVMState; LogFlow(("pdmRCDevHlp_VMState: caller=%p/%d: returns %d\n", pDevIns, pDevIns->iInstance, enmVMState)); return enmVMState; } /** @interface_method_impl{PDMDEVHLPRC,pfnVMSetError} */ static DECLCALLBACK(int) pdmRCDevHlp_VMSetError(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...) { PDMDEV_ASSERT_DEVINS(pDevIns); va_list args; va_start(args, pszFormat); int rc2 = VMSetErrorV(pDevIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2); va_end(args); return rc; } /** @interface_method_impl{PDMDEVHLPRC,pfnVMSetErrorV} */ static DECLCALLBACK(int) pdmRCDevHlp_VMSetErrorV(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va) { PDMDEV_ASSERT_DEVINS(pDevIns); int rc2 = VMSetErrorV(pDevIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2); return rc; } /** @interface_method_impl{PDMDEVHLPRC,pfnVMSetRuntimeError} */ static DECLCALLBACK(int) pdmRCDevHlp_VMSetRuntimeError(PPDMDEVINS pDevIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...) { PDMDEV_ASSERT_DEVINS(pDevIns); va_list va; va_start(va, pszFormat); int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va); va_end(va); return rc; } /** @interface_method_impl{PDMDEVHLPRC,pfnVMSetErrorV} */ static DECLCALLBACK(int) pdmRCDevHlp_VMSetRuntimeErrorV(PPDMDEVINS pDevIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va) { PDMDEV_ASSERT_DEVINS(pDevIns); int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va); return rc; } /** @interface_method_impl{PDMDEVHLPRC,pfnPATMSetMMIOPatchInfo} */ static DECLCALLBACK(int) pdmRCDevHlp_PATMSetMMIOPatchInfo(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPTR pCachedData) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_PATMSetMMIOPatchInfo: caller=%p/%d:\n", pDevIns, pDevIns->iInstance)); return PATMSetMMIOPatchInfo(pDevIns->Internal.s.pVMRC, GCPhys, (RTRCPTR)(uintptr_t)pCachedData); } /** @interface_method_impl{PDMDEVHLPRC,pfnGetVM} */ static DECLCALLBACK(PVM) pdmRCDevHlp_GetVM(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_GetVM: caller='%p'/%d\n", pDevIns, pDevIns->iInstance)); return pDevIns->Internal.s.pVMRC; } /** @interface_method_impl{PDMDEVHLPRC,pfnGetVMCPU} */ static DECLCALLBACK(PVMCPU) pdmRCDevHlp_GetVMCPU(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_GetVMCPU: caller='%p'/%d\n", pDevIns, pDevIns->iInstance)); return VMMGetCpu(pDevIns->Internal.s.pVMRC); } /** @interface_method_impl{PDMDEVHLPRC,pfnTMTimeVirtGet} */ static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGet(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_TMTimeVirtGet: caller='%p'/%d\n", pDevIns, pDevIns->iInstance)); return TMVirtualGet(pDevIns->Internal.s.pVMRC); } /** @interface_method_impl{PDMDEVHLPRC,pfnTMTimeVirtGetFreq} */ static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGetFreq(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_TMTimeVirtGetFreq: caller='%p'/%d\n", pDevIns, pDevIns->iInstance)); return TMVirtualGetFreq(pDevIns->Internal.s.pVMRC); } /** @interface_method_impl{PDMDEVHLPRC,pfnTMTimeVirtGetNano} */ static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGetNano(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCDevHlp_TMTimeVirtGetNano: caller='%p'/%d\n", pDevIns, pDevIns->iInstance)); return TMVirtualToNano(pDevIns->Internal.s.pVMRC, TMVirtualGet(pDevIns->Internal.s.pVMRC)); } /** @interface_method_impl{PDMDEVHLPRC,pfnDBGFTraceBuf} */ static DECLCALLBACK(RTTRACEBUF) pdmRCDevHlp_DBGFTraceBuf(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); RTTRACEBUF hTraceBuf = pDevIns->Internal.s.pVMRC->hTraceBufRC; LogFlow(("pdmRCDevHlp_DBGFTraceBuf: caller='%p'/%d: returns %p\n", pDevIns, pDevIns->iInstance, hTraceBuf)); return hTraceBuf; } /** * The Raw-Mode Context Device Helper Callbacks. */ extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp = { PDM_DEVHLPRC_VERSION, pdmRCDevHlp_PCIPhysRead, pdmRCDevHlp_PCIPhysWrite, pdmRCDevHlp_PCISetIrq, pdmRCDevHlp_ISASetIrq, pdmRCDevHlp_PhysRead, pdmRCDevHlp_PhysWrite, pdmRCDevHlp_A20IsEnabled, pdmRCDevHlp_VMState, pdmRCDevHlp_VMSetError, pdmRCDevHlp_VMSetErrorV, pdmRCDevHlp_VMSetRuntimeError, pdmRCDevHlp_VMSetRuntimeErrorV, pdmRCDevHlp_PATMSetMMIOPatchInfo, pdmRCDevHlp_GetVM, pdmRCDevHlp_GetVMCPU, pdmRCDevHlp_TMTimeVirtGet, pdmRCDevHlp_TMTimeVirtGetFreq, pdmRCDevHlp_TMTimeVirtGetNano, pdmRCDevHlp_DBGFTraceBuf, PDM_DEVHLPRC_VERSION }; /** @} */ /** @name PIC RC Helpers * @{ */ /** @interface_method_impl{PDMPICHLPGC,pfnSetInterruptFF} */ static DECLCALLBACK(void) pdmRCPicHlp_SetInterruptFF(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); PVM pVM = pDevIns->Internal.s.pVMRC; if (pVM->pdm.s.Apic.pfnLocalInterruptRC) { LogFlow(("pdmRCPicHlp_SetInterruptFF: caller='%p'/%d: Setting local interrupt on LAPIC\n", pDevIns, pDevIns->iInstance)); /* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */ pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 1); return; } PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */ LogFlow(("pdmRCPicHlp_SetInterruptFF: caller=%p/%d: VMMCPU_FF_INTERRUPT_PIC %d -> 1\n", pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC))); VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC); } /** @interface_method_impl{PDMPICHLPGC,pfnClearInterruptFF} */ static DECLCALLBACK(void) pdmRCPicHlp_ClearInterruptFF(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); PVM pVM = pDevIns->Internal.s.CTX_SUFF(pVM); if (pVM->pdm.s.Apic.pfnLocalInterruptRC) { /* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */ LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller='%s'/%d: Clearing local interrupt on LAPIC\n", pDevIns, pDevIns->iInstance)); /* Lower the LAPIC's LINT0 line instead of signaling the CPU directly. */ pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 0); return; } PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */ LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller=%p/%d: VMCPU_FF_INTERRUPT_PIC %d -> 0\n", pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC))); VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC); } /** @interface_method_impl{PDMPICHLPGC,pfnLock} */ static DECLCALLBACK(int) pdmRCPicHlp_Lock(PPDMDEVINS pDevIns, int rc) { PDMDEV_ASSERT_DEVINS(pDevIns); return pdmLockEx(pDevIns->Internal.s.pVMRC, rc); } /** @interface_method_impl{PDMPICHLPGC,pfnUnlock} */ static DECLCALLBACK(void) pdmRCPicHlp_Unlock(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); pdmUnlock(pDevIns->Internal.s.pVMRC); } /** * The Raw-Mode Context PIC Helper Callbacks. */ extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp = { PDM_PICHLPRC_VERSION, pdmRCPicHlp_SetInterruptFF, pdmRCPicHlp_ClearInterruptFF, pdmRCPicHlp_Lock, pdmRCPicHlp_Unlock, PDM_PICHLPRC_VERSION }; /** @} */ /** @name APIC RC Helpers * @{ */ /** @interface_method_impl{PDMAPICHLPRC,pfnSetInterruptFF} */ static DECLCALLBACK(void) pdmRCApicHlp_SetInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu) { PDMDEV_ASSERT_DEVINS(pDevIns); PVM pVM = pDevIns->Internal.s.pVMRC; PVMCPU pVCpu = &pVM->aCpus[idCpu]; AssertReturnVoid(idCpu < pVM->cCpus); LogFlow(("pdmRCApicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 1\n", pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC))); switch (enmType) { case PDMAPICIRQ_HARDWARE: VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC); break; case PDMAPICIRQ_NMI: VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_NMI); break; case PDMAPICIRQ_SMI: VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_SMI); break; case PDMAPICIRQ_EXTINT: VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC); break; default: AssertMsgFailed(("enmType=%d\n", enmType)); break; } } /** @interface_method_impl{PDMAPICHLPRC,pfnClearInterruptFF} */ static DECLCALLBACK(void) pdmRCApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu) { PDMDEV_ASSERT_DEVINS(pDevIns); PVM pVM = pDevIns->Internal.s.pVMRC; PVMCPU pVCpu = &pVM->aCpus[idCpu]; AssertReturnVoid(idCpu < pVM->cCpus); LogFlow(("pdmRCApicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 0\n", pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC))); /* Note: NMI/SMI can't be cleared. */ switch (enmType) { case PDMAPICIRQ_HARDWARE: VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_APIC); break; case PDMAPICIRQ_EXTINT: VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC); break; default: AssertMsgFailed(("enmType=%d\n", enmType)); break; } } /** @interface_method_impl{PDMAPICHLPRC,pfnCalcIrqTag} */ static DECLCALLBACK(uint32_t) pdmRCApicHlp_CalcIrqTag(PPDMDEVINS pDevIns, uint8_t u8Level) { PDMDEV_ASSERT_DEVINS(pDevIns); PVM pVM = pDevIns->Internal.s.pVMRC; pdmLock(pVM); uint32_t uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing); if (u8Level == PDM_IRQ_LEVEL_HIGH) VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc)); else VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc)); pdmUnlock(pVM); LogFlow(("pdmRCApicHlp_CalcIrqTag: caller=%p/%d: returns %#x (u8Level=%d)\n", pDevIns, pDevIns->iInstance, uTagSrc, u8Level)); return uTagSrc; } /** @interface_method_impl{PDMAPICHLPRC,pfnChangeFeature} */ static DECLCALLBACK(void) pdmRCApicHlp_ChangeFeature(PPDMDEVINS pDevIns, PDMAPICVERSION enmVersion) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmRCApicHlp_ChangeFeature: caller=%p/%d: version=%d\n", pDevIns, pDevIns->iInstance, (int)enmVersion)); switch (enmVersion) { case PDMAPICVERSION_NONE: CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC); CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC); break; case PDMAPICVERSION_APIC: CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC); CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC); break; case PDMAPICVERSION_X2APIC: CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC); CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC); break; default: AssertMsgFailed(("Unknown APIC version: %d\n", (int)enmVersion)); } } /** @interface_method_impl{PDMAPICHLPRC,pfnLock} */ static DECLCALLBACK(int) pdmRCApicHlp_Lock(PPDMDEVINS pDevIns, int rc) { PDMDEV_ASSERT_DEVINS(pDevIns); return pdmLockEx(pDevIns->Internal.s.pVMRC, rc); } /** @interface_method_impl{PDMAPICHLPRC,pfnUnlock} */ static DECLCALLBACK(void) pdmRCApicHlp_Unlock(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); pdmUnlock(pDevIns->Internal.s.pVMRC); } /** @interface_method_impl{PDMAPICHLPRC,pfnGetCpuId} */ static DECLCALLBACK(VMCPUID) pdmRCApicHlp_GetCpuId(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); return VMMGetCpuId(pDevIns->Internal.s.pVMRC); } /** * The Raw-Mode Context APIC Helper Callbacks. */ extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp = { PDM_APICHLPRC_VERSION, pdmRCApicHlp_SetInterruptFF, pdmRCApicHlp_ClearInterruptFF, pdmRCApicHlp_CalcIrqTag, pdmRCApicHlp_ChangeFeature, pdmRCApicHlp_Lock, pdmRCApicHlp_Unlock, pdmRCApicHlp_GetCpuId, PDM_APICHLPRC_VERSION }; /** @} */ /** @name I/O APIC RC Helpers * @{ */ /** @interface_method_impl{PDMIOAPICHLPRC,pfnApicBusDeliver} */ static DECLCALLBACK(int) pdmRCIoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode, uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode, uint32_t uTagSrc) { PDMDEV_ASSERT_DEVINS(pDevIns); PVM pVM = pDevIns->Internal.s.pVMRC; LogFlow(("pdmRCIoApicHlp_ApicBusDeliver: caller=%p/%d: u8Dest=%RX8 u8DestMode=%RX8 u8DeliveryMode=%RX8 iVector=%RX8 u8Polarity=%RX8 u8TriggerMode=%RX8 uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode, uTagSrc)); Assert(pVM->pdm.s.Apic.pDevInsRC); if (pVM->pdm.s.Apic.pfnBusDeliverRC) return pVM->pdm.s.Apic.pfnBusDeliverRC(pVM->pdm.s.Apic.pDevInsRC, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode, uTagSrc); return VINF_SUCCESS; } /** @interface_method_impl{PDMIOAPICHLPRC,pfnLock} */ static DECLCALLBACK(int) pdmRCIoApicHlp_Lock(PPDMDEVINS pDevIns, int rc) { PDMDEV_ASSERT_DEVINS(pDevIns); return pdmLockEx(pDevIns->Internal.s.pVMRC, rc); } /** @interface_method_impl{PDMIOAPICHLPRC,pfnUnlock} */ static DECLCALLBACK(void) pdmRCIoApicHlp_Unlock(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); pdmUnlock(pDevIns->Internal.s.pVMRC); } /** * The Raw-Mode Context I/O APIC Helper Callbacks. */ extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp = { PDM_IOAPICHLPRC_VERSION, pdmRCIoApicHlp_ApicBusDeliver, pdmRCIoApicHlp_Lock, pdmRCIoApicHlp_Unlock, PDM_IOAPICHLPRC_VERSION }; /** @} */ /** @name PCI Bus RC Helpers * @{ */ /** @interface_method_impl{PDMPCIHLPRC,pfnIsaSetIrq} */ static DECLCALLBACK(void) pdmRCPciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel, uint32_t uTagSrc) { PDMDEV_ASSERT_DEVINS(pDevIns); Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d uTagSrc=%#x\n", iIrq, iLevel, uTagSrc)); PVM pVM = pDevIns->Internal.s.pVMRC; pdmLock(pVM); pdmRCIsaSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel, uTagSrc); pdmUnlock(pVM); } /** @interface_method_impl{PDMPCIHLPRC,pfnIoApicSetIrq} */ static DECLCALLBACK(void) pdmRCPciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel, uint32_t uTagSrc) { PDMDEV_ASSERT_DEVINS(pDevIns); Log4(("pdmRCPciHlp_IoApicSetIrq: iIrq=%d iLevel=%d uTagSrc=%#x\n", iIrq, iLevel, uTagSrc)); PVM pVM = pDevIns->Internal.s.pVMRC; if (pVM->pdm.s.IoApic.pDevInsRC) { pdmLock(pVM); pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel, uTagSrc); pdmUnlock(pVM); } else if (pVM->pdm.s.IoApic.pDevInsR3) { /* queue for ring-3 execution. */ PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC); if (pTask) { pTask->enmOp = PDMDEVHLPTASKOP_IOAPIC_SET_IRQ; pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */ pTask->u.SetIRQ.iIrq = iIrq; pTask->u.SetIRQ.iLevel = iLevel; pTask->u.SetIRQ.uTagSrc = uTagSrc; PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0); } else AssertMsgFailed(("We're out of devhlp queue items!!!\n")); } } /** @interface_method_impl{PDMPCIHLPRC,pfnIoApicSendMsi} */ static DECLCALLBACK(void) pdmRCPciHlp_IoApicSendMsi(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, uint32_t uValue, uint32_t uTagSrc) { PDMDEV_ASSERT_DEVINS(pDevIns); Log4(("pdmRCPciHlp_IoApicSendMsi: GCPhys=%p uValue=%d uTagSrc=%#x\n", GCPhys, uValue, uTagSrc)); PVM pVM = pDevIns->Internal.s.pVMRC; if (pVM->pdm.s.IoApic.pDevInsRC) { pdmLock(pVM); pVM->pdm.s.IoApic.pfnSendMsiRC(pVM->pdm.s.IoApic.pDevInsRC, GCPhys, uValue, uTagSrc); pdmUnlock(pVM); } else { AssertFatalMsgFailed(("Lazy bastarts!")); } } /** @interface_method_impl{PDMPCIHLPRC,pfnLock} */ static DECLCALLBACK(int) pdmRCPciHlp_Lock(PPDMDEVINS pDevIns, int rc) { PDMDEV_ASSERT_DEVINS(pDevIns); return pdmLockEx(pDevIns->Internal.s.pVMRC, rc); } /** @interface_method_impl{PDMPCIHLPRC,pfnUnlock} */ static DECLCALLBACK(void) pdmRCPciHlp_Unlock(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); pdmUnlock(pDevIns->Internal.s.pVMRC); } /** * The Raw-Mode Context PCI Bus Helper Callbacks. */ extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp = { PDM_PCIHLPRC_VERSION, pdmRCPciHlp_IsaSetIrq, pdmRCPciHlp_IoApicSetIrq, pdmRCPciHlp_IoApicSendMsi, pdmRCPciHlp_Lock, pdmRCPciHlp_Unlock, PDM_PCIHLPRC_VERSION, /* the end */ }; /** @} */ /** @name HPET RC Helpers * @{ */ /** * The Raw-Mode Context HPET Helper Callbacks. */ extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp = { PDM_HPETHLPRC_VERSION, PDM_HPETHLPRC_VERSION, /* the end */ }; /** @} */ /** @name Raw-Mode Context Driver Helpers * @{ */ /** @interface_method_impl{PDMDRVHLPRC,pfnVMSetError} */ static DECLCALLBACK(int) pdmRCDrvHlp_VMSetError(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...) { PDMDRV_ASSERT_DRVINS(pDrvIns); va_list args; va_start(args, pszFormat); int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2); va_end(args); return rc; } /** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */ static DECLCALLBACK(int) pdmRCDrvHlp_VMSetErrorV(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va) { PDMDRV_ASSERT_DRVINS(pDrvIns); int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2); return rc; } /** @interface_method_impl{PDMDRVHLPRC,pfnVMSetRuntimeError} */ static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...) { PDMDRV_ASSERT_DRVINS(pDrvIns); va_list va; va_start(va, pszFormat); int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va); va_end(va); return rc; } /** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */ static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va) { PDMDRV_ASSERT_DRVINS(pDrvIns); int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va); return rc; } /** @interface_method_impl{PDMDRVHLPRC,pfnAssertEMT} */ static DECLCALLBACK(bool) pdmRCDrvHlp_AssertEMT(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction) { PDMDRV_ASSERT_DRVINS(pDrvIns); if (VM_IS_EMT(pDrvIns->Internal.s.pVMRC)) return true; RTAssertMsg1Weak("AssertEMT", iLine, pszFile, pszFunction); RTAssertPanic(); return false; } /** @interface_method_impl{PDMDRVHLPRC,pfnAssertOther} */ static DECLCALLBACK(bool) pdmRCDrvHlp_AssertOther(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction) { PDMDRV_ASSERT_DRVINS(pDrvIns); if (!VM_IS_EMT(pDrvIns->Internal.s.pVMRC)) return true; /* Note: While we don't have any other threads but EMT(0) in RC, might still have drive code compiled in which it shouldn't execute. */ RTAssertMsg1Weak("AssertOther", iLine, pszFile, pszFunction); RTAssertPanic(); return false; } /** @interface_method_impl{PDMDRVHLPRC,pfnFTSetCheckpoint} */ static DECLCALLBACK(int) pdmRCDrvHlp_FTSetCheckpoint(PPDMDRVINS pDrvIns, FTMCHECKPOINTTYPE enmType) { PDMDRV_ASSERT_DRVINS(pDrvIns); return FTMSetCheckpoint(pDrvIns->Internal.s.pVMRC, enmType); } /** * The Raw-Mode Context Driver Helper Callbacks. */ extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp = { PDM_DRVHLPRC_VERSION, pdmRCDrvHlp_VMSetError, pdmRCDrvHlp_VMSetErrorV, pdmRCDrvHlp_VMSetRuntimeError, pdmRCDrvHlp_VMSetRuntimeErrorV, pdmRCDrvHlp_AssertEMT, pdmRCDrvHlp_AssertOther, pdmRCDrvHlp_FTSetCheckpoint, PDM_DRVHLPRC_VERSION }; /** @} */ /** * Sets an irq on the PIC and I/O APIC. * * @returns true if delivered, false if postponed. * @param pVM Pointer to the VM. * @param iIrq The irq. * @param iLevel The new level. * @param uTagSrc The IRQ tag and source. * * @remarks The caller holds the PDM lock. */ static bool pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel, uint32_t uTagSrc) { if (RT_LIKELY( ( pVM->pdm.s.IoApic.pDevInsRC || !pVM->pdm.s.IoApic.pDevInsR3) && ( pVM->pdm.s.Pic.pDevInsRC || !pVM->pdm.s.Pic.pDevInsR3))) { if (pVM->pdm.s.Pic.pDevInsRC) pVM->pdm.s.Pic.pfnSetIrqRC(pVM->pdm.s.Pic.pDevInsRC, iIrq, iLevel, uTagSrc); if (pVM->pdm.s.IoApic.pDevInsRC) pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel, uTagSrc); return true; } /* queue for ring-3 execution. */ PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC); AssertReturn(pTask, false); pTask->enmOp = PDMDEVHLPTASKOP_ISA_SET_IRQ; pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */ pTask->u.SetIRQ.iIrq = iIrq; pTask->u.SetIRQ.iLevel = iLevel; pTask->u.SetIRQ.uTagSrc = uTagSrc; PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0); return false; }