PDMGCDevice.cpp revision 73dfebace7e93189b94f88808326284834d15b7d
/* $Id$ */
/** @file
* PDM - Pluggable Device and Driver Manager, GC 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 <VBox/pdm.h>
#include <VBox/pgm.h>
#include <VBox/mm.h>
#include <VBox/vm.h>
#include <VBox/patm.h>
#include <VBox/log.h>
#include <VBox/err.h>
#include <iprt/asm.h>
#include <iprt/assert.h>
#include <iprt/string.h>
/*******************************************************************************
* Defined Constants And Macros *
*******************************************************************************/
/** @def PDMDEV_ASSERT_DEVINS
* Asserts the validity of the driver instance.
*/
#ifdef VBOX_STRICT
# define PDMDEV_ASSERT_DEVINS(pDevIns) do { Assert(VALID_PTR(pDevIns)); \
Assert(pDevIns->u32Version == PDM_DEVINS_VERSION); \
Assert(pDevIns->pvInstanceDataGC == (void *)&pDevIns->achInstanceData[0]); \
} while (0)
#else
# define PDMDEV_ASSERT_DEVINS(pDevIns) do { } while (0)
#endif
/*******************************************************************************
* Global Variables *
*******************************************************************************/
__BEGIN_DECLS
extern DECLEXPORT(const PDMDEVHLPGC) g_pdmGCDevHlp;
extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp;
extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp;
extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp;
extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp;
__END_DECLS
/*******************************************************************************
* Internal Functions *
*******************************************************************************/
/** @name GC Device Helpers
* @{
*/
static DECLCALLBACK(void) pdmGCDevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel);
static DECLCALLBACK(void) pdmGCDevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel);
static DECLCALLBACK(void) pdmGCDevHlp_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead);
static DECLCALLBACK(void) pdmGCDevHlp_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite);
static DECLCALLBACK(bool) pdmGCDevHlp_A20IsEnabled(PPDMDEVINS pDevIns);
static DECLCALLBACK(int) pdmGCDevHlp_VMSetError(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...);
static DECLCALLBACK(int) pdmGCDevHlp_VMSetErrorV(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va);
static DECLCALLBACK(int) pdmGCDevHlp_VMSetRuntimeError(PPDMDEVINS pDevIns, bool fFatal, const char *pszErrorID, const char *pszFormat, ...);
static DECLCALLBACK(int) pdmGCDevHlp_VMSetRuntimeErrorV(PPDMDEVINS pDevIns, bool fFatal, const char *pszErrorID, const char *pszFormat, va_list va);
static DECLCALLBACK(int) pdmGCDevHlp_PATMSetMMIOPatchInfo(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPTR pCachedData);
/** @} */
/** @name PIC GC Helpers
* @{
*/
static DECLCALLBACK(void) pdmRCPicHlp_SetInterruptFF(PPDMDEVINS pDevIns);
static DECLCALLBACK(void) pdmRCPicHlp_ClearInterruptFF(PPDMDEVINS pDevIns);
static DECLCALLBACK(int) pdmRCPicHlp_Lock(PPDMDEVINS pDevIns, int rc);
static DECLCALLBACK(void) pdmRCPicHlp_Unlock(PPDMDEVINS pDevIns);
/** @} */
/** @name APIC RC Helpers
* @{
*/
static DECLCALLBACK(void) pdmRCApicHlp_SetInterruptFF(PPDMDEVINS pDevIns);
static DECLCALLBACK(void) pdmRCApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns);
static DECLCALLBACK(void) pdmRCApicHlp_ChangeFeature(PPDMDEVINS pDevIns, bool fEnabled);
static DECLCALLBACK(int) pdmRCApicHlp_Lock(PPDMDEVINS pDevIns, int rc);
static DECLCALLBACK(void) pdmRCApicHlp_Unlock(PPDMDEVINS pDevIns);
/** @} */
/** @name I/O APIC RC Helpers
* @{
*/
static DECLCALLBACK(void) pdmRCIoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode,
uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode);
static DECLCALLBACK(int) pdmRCIoApicHlp_Lock(PPDMDEVINS pDevIns, int rc);
static DECLCALLBACK(void) pdmRCIoApicHlp_Unlock(PPDMDEVINS pDevIns);
/** @} */
/** @name PCI Bus RC Helpers
* @{
*/
static DECLCALLBACK(void) pdmRCPciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel);
static DECLCALLBACK(void) pdmRCPciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel);
static DECLCALLBACK(int) pdmRCPciHlp_Lock(PPDMDEVINS pDevIns, int rc);
static DECLCALLBACK(void) pdmRCPciHlp_Unlock(PPDMDEVINS pDevIns);
/** @} */
static void pdmGCIsaSetIrq(PVM pVM, int iIrq, int iLevel);
static void pdmGCIoApicSetIrq(PVM pVM, int iIrq, int iLevel);
/**
* The Guest Context Device Helper Callbacks.
*/
extern DECLEXPORT(const PDMDEVHLPGC) g_pdmGCDevHlp =
{
PDM_DEVHLPGC_VERSION,
pdmGCDevHlp_PCISetIrq,
pdmGCDevHlp_ISASetIrq,
pdmGCDevHlp_PhysRead,
pdmGCDevHlp_PhysWrite,
pdmGCDevHlp_A20IsEnabled,
pdmGCDevHlp_VMSetError,
pdmGCDevHlp_VMSetErrorV,
pdmGCDevHlp_VMSetRuntimeError,
pdmGCDevHlp_VMSetRuntimeErrorV,
pdmGCDevHlp_PATMSetMMIOPatchInfo,
PDM_DEVHLPGC_VERSION
};
/**
* 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
};
/**
* The Raw-Mode Context APIC Helper Callbacks.
*/
extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp =
{
PDM_APICHLPRC_VERSION,
pdmRCApicHlp_SetInterruptFF,
pdmRCApicHlp_ClearInterruptFF,
pdmRCApicHlp_ChangeFeature,
pdmRCApicHlp_Lock,
pdmRCApicHlp_Unlock,
PDM_APICHLPRC_VERSION
};
/**
* 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
};
/**
* The Raw-Mode Context PCI Bus Helper Callbacks.
*/
extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp =
{
PDM_PCIHLPRC_VERSION,
pdmRCPciHlp_IsaSetIrq,
pdmRCPciHlp_IoApicSetIrq,
pdmRCPciHlp_Lock,
pdmRCPciHlp_Unlock,
PDM_PCIHLPRC_VERSION, /* the end */
};
/** @copydoc PDMDEVHLPGC::pfnPCISetIrq */
static DECLCALLBACK(void) pdmGCDevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmGCDevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
PVM pVM = pDevIns->Internal.s.pVMGC;
PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceGC;
PPDMPCIBUS pPciBus = pDevIns->Internal.s.pPciBusGC;
if ( pPciDev
&& pPciBus
&& pPciBus->pDevInsRC)
{
pdmLock(pVM);
pPciBus->pfnSetIrqRC(pPciBus->pDevInsRC, pPciDev, iIrq, iLevel);
pdmUnlock(pVM);
}
else
{
/* queue for ring-3 execution. */
PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueGC);
if (pTask)
{
pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ;
pTask->pDevInsHC = MMHyperGC2HC(pVM, pDevIns);
pTask->u.SetIRQ.iIrq = iIrq;
pTask->u.SetIRQ.iLevel = iLevel;
PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueGC, &pTask->Core, 0);
}
else
AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
}
LogFlow(("pdmGCDevHlp_PCISetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
}
/** @copydoc PDMDEVHLPGC::pfnPCISetIrq */
static DECLCALLBACK(void) pdmGCDevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmGCDevHlp_ISASetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
pdmGCIsaSetIrq(pDevIns->Internal.s.pVMGC, iIrq, iLevel);
LogFlow(("pdmGCDevHlp_ISASetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
}
/** @copydoc PDMDEVHLPGC::pfnPhysRead */
static DECLCALLBACK(void) pdmGCDevHlp_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmGCDevHlp_PhysRead: caller=%p/%d: GCPhys=%VGp pvBuf=%p cbRead=%#x\n",
pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbRead));
PGMPhysRead(pDevIns->Internal.s.pVMGC, GCPhys, pvBuf, cbRead);
Log(("pdmGCDevHlp_PhysRead: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
}
/** @copydoc PDMDEVHLPGC::pfnPhysWrite */
static DECLCALLBACK(void) pdmGCDevHlp_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmGCDevHlp_PhysWrite: caller=%p/%d: GCPhys=%VGp pvBuf=%p cbWrite=%#x\n",
pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbWrite));
PGMPhysWrite(pDevIns->Internal.s.pVMGC, GCPhys, pvBuf, cbWrite);
Log(("pdmGCDevHlp_PhysWrite: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
}
/** @copydoc PDMDEVHLPGC::pfnA20IsEnabled */
static DECLCALLBACK(bool) pdmGCDevHlp_A20IsEnabled(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmGCDevHlp_A20IsEnabled: caller=%p/%d:\n", pDevIns, pDevIns->iInstance));
bool fEnabled = PGMPhysIsA20Enabled(pDevIns->Internal.s.pVMGC);
Log(("pdmGCDevHlp_A20IsEnabled: caller=%p/%d: returns %RTbool\n", pDevIns, pDevIns->iInstance, fEnabled));
return fEnabled;
}
/** @copydoc PDMDEVHLPGC::pfnVMSetError */
static DECLCALLBACK(int) pdmGCDevHlp_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.pVMGC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
va_end(args);
return rc;
}
/** @copydoc PDMDEVHLPGC::pfnVMSetErrorV */
static DECLCALLBACK(int) pdmGCDevHlp_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.pVMGC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
return rc;
}
/** @copydoc PDMDEVHLPGC::pfnVMSetRuntimeError */
static DECLCALLBACK(int) pdmGCDevHlp_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.pVMGC, fFatal, pszErrorID, pszFormat, args);
va_end(args);
return rc;
}
/** @copydoc PDMDEVHLPGC::pfnVMSetErrorV */
static DECLCALLBACK(int) pdmGCDevHlp_VMSetRuntimeErrorV(PPDMDEVINS pDevIns, bool fFatal, const char *pszErrorID, const char *pszFormat, va_list va)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMGC, fFatal, pszErrorID, pszFormat, va);
return rc;
}
/** @copydoc PDMDEVHLPGC::pdmGCDevHlp_PATMSetMMIOPatchInfo */
static DECLCALLBACK(int) pdmGCDevHlp_PATMSetMMIOPatchInfo(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPTR pCachedData)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmGCDevHlp_PATMSetMMIOPatchInfo: caller=%p/%d:\n", pDevIns, pDevIns->iInstance));
return PATMSetMMIOPatchInfo(pDevIns->Internal.s.pVMGC, GCPhys, (RTRCPTR)pCachedData);
}
/** @copydoc PDMPICHLPGC::pfnSetInterruptFF */
static DECLCALLBACK(void) pdmRCPicHlp_SetInterruptFF(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCPicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT_PIC %d -> 1\n",
pDevIns, pDevIns->iInstance, VM_FF_ISSET(pDevIns->Internal.s.pVMGC, VM_FF_INTERRUPT_PIC)));
VM_FF_SET(pDevIns->Internal.s.pVMGC, VM_FF_INTERRUPT_PIC);
}
/** @copydoc PDMPICHLPGC::pfnClearInterruptFF */
static DECLCALLBACK(void) pdmRCPicHlp_ClearInterruptFF(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT_PIC %d -> 0\n",
pDevIns, pDevIns->iInstance, VM_FF_ISSET(pDevIns->Internal.s.pVMGC, VM_FF_INTERRUPT_PIC)));
VM_FF_CLEAR(pDevIns->Internal.s.pVMGC, VM_FF_INTERRUPT_PIC);
}
/** @copydoc PDMPICHLPGC::pfnLock */
static DECLCALLBACK(int) pdmRCPicHlp_Lock(PPDMDEVINS pDevIns, int rc)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return pdmLockEx(pDevIns->Internal.s.pVMGC, rc);
}
/** @copydoc PDMPICHLPGC::pfnUnlock */
static DECLCALLBACK(void) pdmRCPicHlp_Unlock(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
pdmUnlock(pDevIns->Internal.s.pVMGC);
}
/** @copydoc PDMAPICHLPGC::pfnSetInterruptFF */
static DECLCALLBACK(void) pdmRCApicHlp_SetInterruptFF(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCApicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 1\n",
pDevIns, pDevIns->iInstance, VM_FF_ISSET(pDevIns->Internal.s.pVMGC, VM_FF_INTERRUPT_APIC)));
VM_FF_SET(pDevIns->Internal.s.pVMGC, VM_FF_INTERRUPT_APIC);
}
/** @copydoc PDMAPICHLPGC::pfnClearInterruptFF */
static DECLCALLBACK(void) pdmRCApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCApicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 0\n",
pDevIns, pDevIns->iInstance, VM_FF_ISSET(pDevIns->Internal.s.pVMGC, VM_FF_INTERRUPT_APIC)));
VM_FF_CLEAR(pDevIns->Internal.s.pVMGC, VM_FF_INTERRUPT_APIC);
}
/** @copydoc PDMAPICHLPGC::pfnChangeFeature */
static DECLCALLBACK(void) pdmRCApicHlp_ChangeFeature(PPDMDEVINS pDevIns, bool fEnabled)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
LogFlow(("pdmRCApicHlp_ChangeFeature: caller=%p/%d: fEnabled=%RTbool\n", pDevIns, pDevIns->iInstance, fEnabled));
if (fEnabled)
CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMGC, CPUMCPUIDFEATURE_APIC);
else
CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMGC, CPUMCPUIDFEATURE_APIC);
}
/** @copydoc PDMAPICHLPGC::pfnLock */
static DECLCALLBACK(int) pdmRCApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return pdmLockEx(pDevIns->Internal.s.pVMGC, rc);
}
/** @copydoc PDMAPICHLPGC::pfnUnlock */
static DECLCALLBACK(void) pdmRCApicHlp_Unlock(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
pdmUnlock(pDevIns->Internal.s.pVMGC);
}
/** @copydoc PDMIOAPICHLPGC::pfnApicBusDeliver */
static DECLCALLBACK(void) pdmRCIoApicHlp_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.pVMGC;
LogFlow(("pdmRCIoApicHlp_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));
if (pVM->pdm.s.Apic.pfnBusDeliverRC)
pVM->pdm.s.Apic.pfnBusDeliverRC(pVM->pdm.s.Apic.pDevInsRC, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode);
}
/** @copydoc PDMIOAPICHLPGC::pfnLock */
static DECLCALLBACK(int) pdmRCIoApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return pdmLockEx(pDevIns->Internal.s.pVMGC, rc);
}
/** @copydoc PDMIOAPICHLPGC::pfnUnlock */
static DECLCALLBACK(void) pdmRCIoApicHlp_Unlock(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
pdmUnlock(pDevIns->Internal.s.pVMGC);
}
/** @copydoc PDMPCIHLPGC::pfnIsaSetIrq */
static DECLCALLBACK(void) pdmRCPciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d\n", iIrq, iLevel));
pdmGCIsaSetIrq(pDevIns->Internal.s.pVMGC, iIrq, iLevel);
}
/** @copydoc PDMPCIHLPGC::pfnIoApicSetIrq */
static DECLCALLBACK(void) pdmRCPciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d\n", iIrq, iLevel));
pdmGCIoApicSetIrq(pDevIns->Internal.s.pVMGC, iIrq, iLevel);
}
/** @copydoc PDMPCIHLPGC::pfnLock */
static DECLCALLBACK(int) pdmRCPciHlp_Lock(PPDMDEVINS pDevIns, int rc)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
return pdmLockEx(pDevIns->Internal.s.pVMGC, rc);
}
/** @copydoc PDMPCIHLPGC::pfnUnlock */
static DECLCALLBACK(void) pdmRCPciHlp_Unlock(PPDMDEVINS pDevIns)
{
PDMDEV_ASSERT_DEVINS(pDevIns);
pdmUnlock(pDevIns->Internal.s.pVMGC);
}
/**
* Sets an irq on the I/O APIC.
*
* @param pVM The VM handle.
* @param iIrq The irq.
* @param iLevel The new level.
*/
static void pdmGCIsaSetIrq(PVM pVM, int iIrq, int iLevel)
{
if ( ( pVM->pdm.s.IoApic.pDevInsRC
|| !pVM->pdm.s.IoApic.pDevInsR3)
&& ( pVM->pdm.s.Pic.pDevInsRC
|| !pVM->pdm.s.Pic.pDevInsR3))
{
pdmLock(pVM);
if (pVM->pdm.s.Pic.pDevInsRC)
pVM->pdm.s.Pic.pfnSetIrqRC(pVM->pdm.s.Pic.pDevInsRC, iIrq, iLevel);
if (pVM->pdm.s.IoApic.pDevInsRC)
pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel);
pdmUnlock(pVM);
}
else
{
/* queue for ring-3 execution. */
PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueGC);
if (pTask)
{
pTask->enmOp = PDMDEVHLPTASKOP_ISA_SET_IRQ;
pTask->pDevInsHC = 0; /* not required */
pTask->u.SetIRQ.iIrq = iIrq;
pTask->u.SetIRQ.iLevel = iLevel;
PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueGC, &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 pdmGCIoApicSetIrq(PVM pVM, int iIrq, int iLevel)
{
if (pVM->pdm.s.IoApic.pDevInsRC)
{
pdmLock(pVM);
pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel);
pdmUnlock(pVM);
}
else if (pVM->pdm.s.IoApic.pDevInsR3)
{
/* queue for ring-3 execution. */
PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueGC);
if (pTask)
{
pTask->enmOp = PDMDEVHLPTASKOP_IOAPIC_SET_IRQ;
pTask->pDevInsHC = 0; /* not required */
pTask->u.SetIRQ.iIrq = iIrq;
pTask->u.SetIRQ.iLevel = iLevel;
PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueGC, &pTask->Core, 0);
}
else
AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
}
}