/* $Id: PDMR0Device.cpp 13412 2008-10-20 22:23:59Z vboxsync $ */ /** @file * PDM - Pluggable Device and Driver Manager, R0 Device parts. */ /* * Copyright (C) 2006-2007 Sun Microsystems, Inc. * * 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. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 USA or visit http://www.sun.com if you need * additional information or have any questions. */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_PDM_DEVICE #include "PDMInternal.h" #include #include #include #include #include #include #include #include #include #include /******************************************************************************* * Global Variables * *******************************************************************************/ __BEGIN_DECLS extern DECLEXPORT(const PDMDEVHLPR0) g_pdmR0DevHlp; extern DECLEXPORT(const PDMPICHLPR0) g_pdmR0PicHlp; extern DECLEXPORT(const PDMAPICHLPR0) g_pdmR0ApicHlp; extern DECLEXPORT(const PDMIOAPICHLPR0) g_pdmR0IoApicHlp; extern DECLEXPORT(const PDMPCIHLPR0) g_pdmR0PciHlp; __END_DECLS /******************************************************************************* * Internal Functions * *******************************************************************************/ /** @name GC Device Helpers * @{ */ static DECLCALLBACK(void) pdmR0DevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel); static DECLCALLBACK(void) pdmR0DevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel); static DECLCALLBACK(void) pdmR0DevHlp_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead); static DECLCALLBACK(void) pdmR0DevHlp_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite); static DECLCALLBACK(bool) pdmR0DevHlp_A20IsEnabled(PPDMDEVINS pDevIns); static DECLCALLBACK(int) pdmR0DevHlp_VMSetError(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...); static DECLCALLBACK(int) pdmR0DevHlp_VMSetErrorV(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va); static DECLCALLBACK(int) pdmR0DevHlp_VMSetRuntimeError(PPDMDEVINS pDevIns, bool fFatal, const char *pszErrorID, const char *pszFormat, ...); static DECLCALLBACK(int) pdmR0DevHlp_VMSetRuntimeErrorV(PPDMDEVINS pDevIns, bool fFatal, const char *pszErrorID, const char *pszFormat, va_list va); static DECLCALLBACK(int) pdmR0DevHlp_PATMSetMMIOPatchInfo(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPTR pCachedData); static DECLCALLBACK(PVM) pdmR0DevHlp_GetVM(PPDMDEVINS pDevIns); /** @} */ /** @name PIC GC Helpers * @{ */ static DECLCALLBACK(void) pdmR0PicHlp_SetInterruptFF(PPDMDEVINS pDevIns); static DECLCALLBACK(void) pdmR0PicHlp_ClearInterruptFF(PPDMDEVINS pDevIns); static DECLCALLBACK(int) pdmR0PicHlp_Lock(PPDMDEVINS pDevIns, int rc); static DECLCALLBACK(void) pdmR0PicHlp_Unlock(PPDMDEVINS pDevIns); /** @} */ /** @name APIC GC Helpers * @{ */ static DECLCALLBACK(void) pdmR0ApicHlp_SetInterruptFF(PPDMDEVINS pDevIns, VMCPUID idCpu); static DECLCALLBACK(void) pdmR0ApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns, VMCPUID idCpu); static DECLCALLBACK(void) pdmR0ApicHlp_ChangeFeature(PPDMDEVINS pDevIns, PDMAPICVERSION enmVersion); static DECLCALLBACK(int) pdmR0ApicHlp_Lock(PPDMDEVINS pDevIns, int rc); static DECLCALLBACK(void) pdmR0ApicHlp_Unlock(PPDMDEVINS pDevIns); static DECLCALLBACK(VMCPUID) pdmR0ApicHlp_GetCpuId(PPDMDEVINS pDevIns); /** @} */ /** @name I/O APIC GC Helpers * @{ */ static DECLCALLBACK(void) pdmR0IoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode, uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode); static DECLCALLBACK(int) pdmR0IoApicHlp_Lock(PPDMDEVINS pDevIns, int rc); static DECLCALLBACK(void) pdmR0IoApicHlp_Unlock(PPDMDEVINS pDevIns); /** @} */ /** @name PCI Bus GC Helpers * @{ */ static DECLCALLBACK(void) pdmR0PciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel); static DECLCALLBACK(void) pdmR0PciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel); static DECLCALLBACK(int) pdmR0PciHlp_Lock(PPDMDEVINS pDevIns, int rc); static DECLCALLBACK(void) pdmR0PciHlp_Unlock(PPDMDEVINS pDevIns); /** @} */ static void pdmR0IsaSetIrq(PVM pVM, int iIrq, int iLevel); static void pdmR0IoApicSetIrq(PVM pVM, int iIrq, int iLevel); /** * The Guest Context Device Helper Callbacks. */ extern DECLEXPORT(const PDMDEVHLPR0) g_pdmR0DevHlp = { PDM_DEVHLPR0_VERSION, pdmR0DevHlp_PCISetIrq, pdmR0DevHlp_ISASetIrq, pdmR0DevHlp_PhysRead, pdmR0DevHlp_PhysWrite, pdmR0DevHlp_A20IsEnabled, pdmR0DevHlp_VMSetError, pdmR0DevHlp_VMSetErrorV, pdmR0DevHlp_VMSetRuntimeError, pdmR0DevHlp_VMSetRuntimeErrorV, pdmR0DevHlp_PATMSetMMIOPatchInfo, pdmR0DevHlp_GetVM, PDM_DEVHLPR0_VERSION }; /** * The Guest Context PIC Helper Callbacks. */ extern DECLEXPORT(const PDMPICHLPR0) g_pdmR0PicHlp = { PDM_PICHLPR0_VERSION, pdmR0PicHlp_SetInterruptFF, pdmR0PicHlp_ClearInterruptFF, pdmR0PicHlp_Lock, pdmR0PicHlp_Unlock, PDM_PICHLPR0_VERSION }; /** * The Guest Context APIC Helper Callbacks. */ extern DECLEXPORT(const PDMAPICHLPR0) g_pdmR0ApicHlp = { PDM_APICHLPR0_VERSION, pdmR0ApicHlp_SetInterruptFF, pdmR0ApicHlp_ClearInterruptFF, pdmR0ApicHlp_ChangeFeature, pdmR0ApicHlp_Lock, pdmR0ApicHlp_Unlock, pdmR0ApicHlp_GetCpuId, PDM_APICHLPR0_VERSION }; /** * The Guest Context I/O APIC Helper Callbacks. */ extern DECLEXPORT(const PDMIOAPICHLPR0) g_pdmR0IoApicHlp = { PDM_IOAPICHLPR0_VERSION, pdmR0IoApicHlp_ApicBusDeliver, pdmR0IoApicHlp_Lock, pdmR0IoApicHlp_Unlock, PDM_IOAPICHLPR0_VERSION }; /** * The Guest Context PCI Bus Helper Callbacks. */ extern DECLEXPORT(const PDMPCIHLPR0) g_pdmR0PciHlp = { PDM_PCIHLPR0_VERSION, pdmR0PciHlp_IsaSetIrq, pdmR0PciHlp_IoApicSetIrq, pdmR0PciHlp_Lock, pdmR0PciHlp_Unlock, PDM_PCIHLPR0_VERSION, /* the end */ }; /** @copydoc PDMDEVHLPR0::pfnPCISetIrq */ static DECLCALLBACK(void) pdmR0DevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0DevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel)); PVM pVM = pDevIns->Internal.s.pVMR0; PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceR0; PPDMPCIBUS pPciBus = pDevIns->Internal.s.pPciBusR0; if ( pPciDev && pPciBus && pPciBus->pDevInsR0) { pdmLock(pVM); pPciBus->pfnSetIrqR0(pPciBus->pDevInsR0, pPciDev, iIrq, iLevel); pdmUnlock(pVM); } else { /* queue for ring-3 execution. */ PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueR0); if (pTask) { pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ; pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns); pTask->u.SetIRQ.iIrq = iIrq; pTask->u.SetIRQ.iLevel = iLevel; PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueR0, &pTask->Core, 0); } else AssertMsgFailed(("We're out of devhlp queue items!!!\n")); } LogFlow(("pdmR0DevHlp_PCISetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance)); } /** @copydoc PDMDEVHLPR0::pfnPCISetIrq */ static DECLCALLBACK(void) pdmR0DevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0DevHlp_ISASetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel)); pdmR0IsaSetIrq(pDevIns->Internal.s.pVMR0, iIrq, iLevel); LogFlow(("pdmR0DevHlp_ISASetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance)); } /** @copydoc PDMDEVHLPR0::pfnPhysRead */ static DECLCALLBACK(void) pdmR0DevHlp_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0DevHlp_PhysRead: caller=%p/%d: GCPhys=%VGp pvBuf=%p cbRead=%#x\n", pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbRead)); PGMPhysRead(pDevIns->Internal.s.pVMR0, GCPhys, pvBuf, cbRead); Log(("pdmR0DevHlp_PhysRead: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance)); } /** @copydoc PDMDEVHLPR0::pfnPhysWrite */ static DECLCALLBACK(void) pdmR0DevHlp_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0DevHlp_PhysWrite: caller=%p/%d: GCPhys=%VGp pvBuf=%p cbWrite=%#x\n", pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbWrite)); PGMPhysWrite(pDevIns->Internal.s.pVMR0, GCPhys, pvBuf, cbWrite); Log(("pdmR0DevHlp_PhysWrite: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance)); } /** @copydoc PDMDEVHLPR0::pfnA20IsEnabled */ static DECLCALLBACK(bool) pdmR0DevHlp_A20IsEnabled(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0DevHlp_A20IsEnabled: caller=%p/%d:\n", pDevIns, pDevIns->iInstance)); bool fEnabled = PGMPhysIsA20Enabled(pDevIns->Internal.s.pVMR0); Log(("pdmR0DevHlp_A20IsEnabled: caller=%p/%d: returns %RTbool\n", pDevIns, pDevIns->iInstance, fEnabled)); return fEnabled; } /** @copydoc PDMDEVHLPR0::pfnVMSetError */ static DECLCALLBACK(int) pdmR0DevHlp_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.pVMR0, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2); va_end(args); return rc; } /** @copydoc PDMDEVHLPR0::pfnVMSetErrorV */ static DECLCALLBACK(int) pdmR0DevHlp_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.pVMR0, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2); return rc; } /** @copydoc PDMDEVHLPR0::pfnVMSetRuntimeError */ static DECLCALLBACK(int) pdmR0DevHlp_VMSetRuntimeError(PPDMDEVINS pDevIns, bool fFatal, const char *pszErrorID, const char *pszFormat, ...) { PDMDEV_ASSERT_DEVINS(pDevIns); va_list args; va_start(args, pszFormat); int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMR0, fFatal, pszErrorID, pszFormat, args); va_end(args); return rc; } /** @copydoc PDMDEVHLPR0::pfnVMSetRuntimeErrorV */ static DECLCALLBACK(int) pdmR0DevHlp_VMSetRuntimeErrorV(PPDMDEVINS pDevIns, bool fFatal, const char *pszErrorID, const char *pszFormat, va_list va) { PDMDEV_ASSERT_DEVINS(pDevIns); int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMR0, fFatal, pszErrorID, pszFormat, va); return rc; } /** @copydoc PDMDEVHLPR0::pdmR0DevHlp_PATMSetMMIOPatchInfo*/ static DECLCALLBACK(int) pdmR0DevHlp_PATMSetMMIOPatchInfo(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPTR pCachedData) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0DevHlp_PATMSetMMIOPatchInfo: caller=%p/%d:\n", pDevIns, pDevIns->iInstance)); AssertFailed(); /* return PATMSetMMIOPatchInfo(pDevIns->Internal.s.pVMR0, GCPhys, pCachedData); */ return VINF_SUCCESS; } /** @copydoc PDMDEVHLPR0::pfnGetVM */ static DECLCALLBACK(PVM) pdmR0DevHlp_GetVM(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0DevHlp_GetVM: caller='%p'/%d\n", pDevIns, pDevIns->iInstance)); return pDevIns->Internal.s.pVMR0; } /** @copydoc PDMPICHLPR0::pfnSetInterruptFF */ static DECLCALLBACK(void) pdmR0PicHlp_SetInterruptFF(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0PicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT_PIC %d -> 1\n", pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pDevIns->Internal.s.pVMR0, 0, VM_FF_INTERRUPT_PIC))); /* for PIC we always deliver to CPU 0, MP use APIC */ VMCPU_FF_SET(pDevIns->Internal.s.pVMR0, 0, VM_FF_INTERRUPT_PIC); } /** @copydoc PDMPICHLPR0::pfnClearInterruptFF */ static DECLCALLBACK(void) pdmR0PicHlp_ClearInterruptFF(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0PicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT_PIC %d -> 0\n", pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pDevIns->Internal.s.pVMR0, 0, VM_FF_INTERRUPT_PIC))); /* for PIC we always deliver to CPU 0, MP use APIC */ VMCPU_FF_CLEAR(pDevIns->Internal.s.pVMR0, 0, VM_FF_INTERRUPT_PIC); } /** @copydoc PDMPICHLPR0::pfnLock */ static DECLCALLBACK(int) pdmR0PicHlp_Lock(PPDMDEVINS pDevIns, int rc) { PDMDEV_ASSERT_DEVINS(pDevIns); return pdmLockEx(pDevIns->Internal.s.pVMR0, rc); } /** @copydoc PDMPICHLPR0::pfnUnlock */ static DECLCALLBACK(void) pdmR0PicHlp_Unlock(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); pdmUnlock(pDevIns->Internal.s.pVMR0); } /** @copydoc PDMAPICHLPR0::pfnSetInterruptFF */ static DECLCALLBACK(void) pdmR0ApicHlp_SetInterruptFF(PPDMDEVINS pDevIns, VMCPUID idCpu) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0ApicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 1\n", pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pDevIns->Internal.s.pVMR0, idCpu, VM_FF_INTERRUPT_APIC))); VMCPU_FF_SET(pDevIns->Internal.s.pVMR0, idCpu, VM_FF_INTERRUPT_APIC); } /** @copydoc PDMAPICHLPR0::pfnClearInterruptFF */ static DECLCALLBACK(void) pdmR0ApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns, VMCPUID idCpu) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0ApicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 0\n", pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pDevIns->Internal.s.pVMR0, idCpu, VM_FF_INTERRUPT_APIC))); VMCPU_FF_CLEAR(pDevIns->Internal.s.pVMR0, idCpu, VM_FF_INTERRUPT_APIC); } /** @copydoc PDMAPICHLPR0::pfnChangeFeature */ static DECLCALLBACK(void) pdmR0ApicHlp_ChangeFeature(PPDMDEVINS pDevIns, PDMAPICVERSION enmVersion) { PDMDEV_ASSERT_DEVINS(pDevIns); LogFlow(("pdmR0ApicHlp_ChangeFeature: caller=%p/%d: version=%d\n", pDevIns, pDevIns->iInstance, (int)enmVersion)); switch (enmVersion) { case PDMAPICVERSION_NONE: CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMR0, CPUMCPUIDFEATURE_APIC); CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMR0, CPUMCPUIDFEATURE_X2APIC); break; case PDMAPICVERSION_APIC: CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMR0, CPUMCPUIDFEATURE_APIC); CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMR0, CPUMCPUIDFEATURE_X2APIC); break; case PDMAPICVERSION_X2APIC: CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMR0, CPUMCPUIDFEATURE_X2APIC); CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMR0, CPUMCPUIDFEATURE_APIC); break; default: AssertMsgFailed(("Unknown APIC version: %d\n", (int)enmVersion)); } } /** @copydoc PDMAPICHLPR0::pfnLock */ static DECLCALLBACK(int) pdmR0ApicHlp_Lock(PPDMDEVINS pDevIns, int rc) { PDMDEV_ASSERT_DEVINS(pDevIns); return pdmLockEx(pDevIns->Internal.s.pVMR0, rc); } /** @copydoc PDMAPICHLPR0::pfnUnlock */ static DECLCALLBACK(void) pdmR0ApicHlp_Unlock(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); pdmUnlock(pDevIns->Internal.s.pVMR0); } /** @copydoc PDMAPICHLPR0::pfnGetCpuId */ static DECLCALLBACK(VMCPUID) pdmR0ApicHlp_GetCpuId(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); return VMMGetCpuId(pDevIns->Internal.s.pVMR0); } /** @copydoc PDMIOAPICHLPR0::pfnApicBusDeliver */ static DECLCALLBACK(void) pdmR0IoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode, uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode) { PDMDEV_ASSERT_DEVINS(pDevIns); PVM pVM = pDevIns->Internal.s.pVMR0; LogFlow(("pdmR0IoApicHlp_ApicBusDeliver: caller=%p/%d: u8Dest=%RX8 u8DestMode=%RX8 u8DeliveryMode=%RX8 iVector=%RX8 u8Polarity=%RX8 u8TriggerMode=%RX8\n", pDevIns, pDevIns->iInstance, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode)); Assert(pVM->pdm.s.Apic.pDevInsR0); if (pVM->pdm.s.Apic.pfnBusDeliverR0) pVM->pdm.s.Apic.pfnBusDeliverR0(pVM->pdm.s.Apic.pDevInsR0, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode); } /** @copydoc PDMIOAPICHLPR0::pfnLock */ static DECLCALLBACK(int) pdmR0IoApicHlp_Lock(PPDMDEVINS pDevIns, int rc) { PDMDEV_ASSERT_DEVINS(pDevIns); return pdmLockEx(pDevIns->Internal.s.pVMR0, rc); } /** @copydoc PDMIOAPICHLPR0::pfnUnlock */ static DECLCALLBACK(void) pdmR0IoApicHlp_Unlock(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); pdmUnlock(pDevIns->Internal.s.pVMR0); } /** @copydoc PDMPCIHLPR0::pfnIsaSetIrq */ static DECLCALLBACK(void) pdmR0PciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel) { PDMDEV_ASSERT_DEVINS(pDevIns); Log4(("pdmR0PciHlp_IsaSetIrq: iIrq=%d iLevel=%d\n", iIrq, iLevel)); pdmR0IsaSetIrq(pDevIns->Internal.s.pVMR0, iIrq, iLevel); } /** @copydoc PDMPCIHLPR0::pfnIoApicSetIrq */ static DECLCALLBACK(void) pdmR0PciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel) { PDMDEV_ASSERT_DEVINS(pDevIns); Log4(("pdmR0PciHlp_IsaSetIrq: iIrq=%d iLevel=%d\n", iIrq, iLevel)); pdmR0IoApicSetIrq(pDevIns->Internal.s.pVMR0, iIrq, iLevel); } /** @copydoc PDMPCIHLPR0::pfnLock */ static DECLCALLBACK(int) pdmR0PciHlp_Lock(PPDMDEVINS pDevIns, int rc) { PDMDEV_ASSERT_DEVINS(pDevIns); return pdmLockEx(pDevIns->Internal.s.pVMR0, rc); } /** @copydoc PDMPCIHLPR0::pfnUnlock */ static DECLCALLBACK(void) pdmR0PciHlp_Unlock(PPDMDEVINS pDevIns) { PDMDEV_ASSERT_DEVINS(pDevIns); pdmUnlock(pDevIns->Internal.s.pVMR0); } /** * Sets an irq on the I/O APIC. * * @param pVM The VM handle. * @param iIrq The irq. * @param iLevel The new level. */ static void pdmR0IsaSetIrq(PVM pVM, int iIrq, int iLevel) { if ( ( pVM->pdm.s.IoApic.pDevInsR0 || !pVM->pdm.s.IoApic.pDevInsR3) && ( pVM->pdm.s.Pic.pDevInsR0 || !pVM->pdm.s.Pic.pDevInsR3)) { pdmLock(pVM); if (pVM->pdm.s.Pic.pDevInsR0) pVM->pdm.s.Pic.pfnSetIrqR0(pVM->pdm.s.Pic.pDevInsR0, iIrq, iLevel); if (pVM->pdm.s.IoApic.pDevInsR0) pVM->pdm.s.IoApic.pfnSetIrqR0(pVM->pdm.s.IoApic.pDevInsR0, iIrq, iLevel); pdmUnlock(pVM); } else { /* queue for ring-3 execution. */ PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueR0); if (pTask) { pTask->enmOp = PDMDEVHLPTASKOP_ISA_SET_IRQ; pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */ pTask->u.SetIRQ.iIrq = iIrq; pTask->u.SetIRQ.iLevel = iLevel; PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueR0, &pTask->Core, 0); } else AssertMsgFailed(("We're out of devhlp queue items!!!\n")); } } /** * Sets an irq on the I/O APIC. * * @param pVM The VM handle. * @param iIrq The irq. * @param iLevel The new level. */ static void pdmR0IoApicSetIrq(PVM pVM, int iIrq, int iLevel) { if (pVM->pdm.s.IoApic.pDevInsR0) { pdmLock(pVM); pVM->pdm.s.IoApic.pfnSetIrqR0(pVM->pdm.s.IoApic.pDevInsR0, iIrq, iLevel); pdmUnlock(pVM); } else if (pVM->pdm.s.IoApic.pDevInsR3) { /* queue for ring-3 execution. */ PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueR0); if (pTask) { pTask->enmOp = PDMDEVHLPTASKOP_IOAPIC_SET_IRQ; pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */ pTask->u.SetIRQ.iIrq = iIrq; pTask->u.SetIRQ.iLevel = iLevel; PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueR0, &pTask->Core, 0); } else AssertMsgFailed(("We're out of devhlp queue items!!!\n")); } }