/* $Id: PDMInternal.h 25891 2010-01-18 13:07:21Z vboxsync $ */ /** @file * PDM - Internal header file. */ /* * 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. */ #ifndef ___PDMInternal_h #define ___PDMInternal_h #include #include #include #include #include #include #include #include #include #ifdef IN_RING3 # include #endif RT_C_DECLS_BEGIN /** @defgroup grp_pdm_int Internal * @ingroup grp_pdm * @internal * @{ */ /** @def PDM_WITH_R3R0_CRIT_SECT * Enables or disabled ring-3/ring-0 critical sections. */ #if defined(DOXYGEN_RUNNING) || 1 # define PDM_WITH_R3R0_CRIT_SECT #endif /** @def PDMCRITSECT_STRICT * Enables/disables PDM critsect strictness like deadlock detection. */ #if (defined(RT_LOCK_STRICT) && defined(IN_RING3)) || defined(DOXYGEN_RUNNING) # define PDMCRITSECT_STRICT #endif /******************************************************************************* * Structures and Typedefs * *******************************************************************************/ /** Pointer to a PDM Device. */ typedef struct PDMDEV *PPDMDEV; /** Pointer to a pointer to a PDM Device. */ typedef PPDMDEV *PPPDMDEV; /** Pointer to a PDM USB Device. */ typedef struct PDMUSB *PPDMUSB; /** Pointer to a pointer to a PDM USB Device. */ typedef PPDMUSB *PPPDMUSB; /** Pointer to a PDM Driver. */ typedef struct PDMDRV *PPDMDRV; /** Pointer to a pointer to a PDM Driver. */ typedef PPDMDRV *PPPDMDRV; /** Pointer to a PDM Logical Unit. */ typedef struct PDMLUN *PPDMLUN; /** Pointer to a pointer to a PDM Logical Unit. */ typedef PPDMLUN *PPPDMLUN; /** Pointer to a PDM PCI Bus instance. */ typedef struct PDMPCIBUS *PPDMPCIBUS; /** Pointer to a DMAC instance. */ typedef struct PDMDMAC *PPDMDMAC; /** Pointer to a RTC instance. */ typedef struct PDMRTC *PPDMRTC; /** Pointer to an USB HUB registration record. */ typedef struct PDMUSBHUB *PPDMUSBHUB; /** * Private device instance data. */ typedef struct PDMDEVINSINT { /** Pointer to the next instance (HC Ptr). * (Head is pointed to by PDM::pDevInstances.) */ R3PTRTYPE(PPDMDEVINS) pNextR3; /** Pointer to the next per device instance (HC Ptr). * (Head is pointed to by PDMDEV::pInstances.) */ R3PTRTYPE(PPDMDEVINS) pPerDeviceNextR3; /** Pointer to device structure - HC Ptr. */ R3PTRTYPE(PPDMDEV) pDevR3; /** Pointer to the list of logical units associated with the device. (FIFO) */ R3PTRTYPE(PPDMLUN) pLunsR3; /** Pointer to the asynchronous notification callback set while in * FNPDMDEVSUSPEND or FNPDMDEVPOWEROFF. */ R3PTRTYPE(PFNPDMDEVASYNCNOTIFY) pfnAsyncNotify; /** Configuration handle to the instance node. */ R3PTRTYPE(PCFGMNODE) pCfgHandle; /** R3 pointer to the VM this instance was created for. */ PVMR3 pVMR3; /** R3 pointer to associated PCI device structure. */ R3PTRTYPE(struct PCIDevice *) pPciDeviceR3; /** R3 pointer to associated PCI bus structure. */ R3PTRTYPE(PPDMPCIBUS) pPciBusR3; /** R0 pointer to the VM this instance was created for. */ PVMR0 pVMR0; /** R0 pointer to associated PCI device structure. */ R0PTRTYPE(struct PCIDevice *) pPciDeviceR0; /** R0 pointer to associated PCI bus structure. */ R0PTRTYPE(PPDMPCIBUS) pPciBusR0; /** RC pointer to the VM this instance was created for. */ PVMRC pVMRC; /** RC pointer to associated PCI device structure. */ RCPTRTYPE(struct PCIDevice *) pPciDeviceRC; /** RC pointer to associated PCI bus structure. */ RCPTRTYPE(PPDMPCIBUS) pPciBusRC; /** Flags, see PDMDEVINSINT_FLAGS_XXX. */ uint32_t fIntFlags; } PDMDEVINSINT; /** @name PDMDEVINSINT::fIntFlags * @{ */ /** Used by pdmR3Load to mark device instances it found in the saved state. */ #define PDMDEVINSINT_FLAGS_FOUND RT_BIT_32(0) /** Indicates that the device hasn't been powered on or resumed. * This is used by PDMR3PowerOn, PDMR3Resume, PDMR3Suspend and PDMR3PowerOff * to make sure each device gets exactly one notification for each of those * events. PDMR3Resume and PDMR3PowerOn also makes use of it to bail out on * a failure (already resumed/powered-on devices are suspended). */ #define PDMDEVINSINT_FLAGS_SUSPENDED RT_BIT_32(1) /** Indicates that the device has been reset already. Used by PDMR3Reset. */ #define PDMDEVINSINT_FLAGS_RESET RT_BIT_32(2) /** @} */ /** * Private USB device instance data. */ typedef struct PDMUSBINSINT { /** The UUID of this instance. */ RTUUID Uuid; /** Pointer to the next instance. * (Head is pointed to by PDM::pUsbInstances.) */ R3PTRTYPE(PPDMUSBINS) pNext; /** Pointer to the next per USB device instance. * (Head is pointed to by PDMUSB::pInstances.) */ R3PTRTYPE(PPDMUSBINS) pPerDeviceNext; /** Pointer to device structure. */ R3PTRTYPE(PPDMUSB) pUsbDev; /** Pointer to the VM this instance was created for. */ PVMR3 pVM; /** Pointer to the list of logical units associated with the device. (FIFO) */ R3PTRTYPE(PPDMLUN) pLuns; /** The per instance device configuration. */ R3PTRTYPE(PCFGMNODE) pCfg; /** Same as pCfg if the configuration should be deleted when detaching the device. */ R3PTRTYPE(PCFGMNODE) pCfgDelete; /** The global device configuration. */ R3PTRTYPE(PCFGMNODE) pCfgGlobal; /** Pointer to the USB hub this device is attached to. * This is NULL if the device isn't connected to any HUB. */ R3PTRTYPE(PPDMUSBHUB) pHub; /** The port number that we're connected to. */ uint32_t iPort; /** Indicates that the USB device hasn't been powered on or resumed. * See PDMDEVINSINT_FLAGS_SUSPENDED. */ bool fVMSuspended; /** Indicates that the USB device has been reset. */ bool fVMReset; /** Pointer to the asynchronous notification callback set while in * FNPDMDEVSUSPEND or FNPDMDEVPOWEROFF. */ R3PTRTYPE(PFNPDMUSBASYNCNOTIFY) pfnAsyncNotify; } PDMUSBINSINT; /** * Private driver instance data. */ typedef struct PDMDRVINSINT { /** Pointer to the driver instance above. * This is NULL for the topmost drive. */ R3PTRTYPE(PPDMDRVINS) pUp; /** Pointer to the driver instance below. * This is NULL for the bottommost driver. */ R3PTRTYPE(PPDMDRVINS) pDown; /** Pointer to the logical unit this driver chained on. */ R3PTRTYPE(PPDMLUN) pLun; /** Pointer to driver structure from which this was instantiated. */ R3PTRTYPE(PPDMDRV) pDrv; /** Pointer to the VM this instance was created for, ring-3 context. */ PVMR3 pVMR3; /** Pointer to the VM this instance was created for, ring-0 context. */ PVMR0 pVMR0; /** Pointer to the VM this instance was created for, raw-mode context. */ PVMRC pVMRC; /** Flag indicating that the driver is being detached and destroyed. * (Helps detect potential recursive detaching.) */ bool fDetaching; /** Indicates that the driver hasn't been powered on or resumed. * See PDMDEVINSINT_FLAGS_SUSPENDED. */ bool fVMSuspended; /** Indicates that the driver has been reset already. */ bool fVMReset; /** Set if allocated on the hyper heap, false if on the ring-3 heap. */ bool fHyperHeap; /** Pointer to the asynchronous notification callback set while in * PDMUSBREG::pfnVMSuspend or PDMUSBREG::pfnVMPowerOff. */ R3PTRTYPE(PFNPDMDRVASYNCNOTIFY) pfnAsyncNotify; /** Configuration handle to the instance node. */ R3PTRTYPE(PCFGMNODE) pCfgHandle; } PDMDRVINSINT; /** * Private critical section data. */ typedef struct PDMCRITSECTINT { /** The critical section core which is shared with IPRT. */ RTCRITSECT Core; /** Pointer to the next critical section. * This chain is used for relocating pVMRC and device cleanup. */ R3PTRTYPE(struct PDMCRITSECTINT *) pNext; /** Owner identifier. * This is pDevIns if the owner is a device. Similarily for a driver or service. * PDMR3CritSectInit() sets this to point to the critsect itself. */ RTR3PTR pvKey; /** Pointer to the VM - R3Ptr. */ PVMR3 pVMR3; /** Pointer to the VM - R0Ptr. */ PVMR0 pVMR0; /** Pointer to the VM - GCPtr. */ PVMRC pVMRC; /** Alignment padding. */ uint32_t padding; /** Event semaphore that is scheduled to be signaled upon leaving the * critical section. This is Ring-3 only of course. */ RTSEMEVENT EventToSignal; /** The lock name. */ R3PTRTYPE(const char *) pszName; /** R0/RC lock contention. */ STAMCOUNTER StatContentionRZLock; /** R0/RC unlock contention. */ STAMCOUNTER StatContentionRZUnlock; /** R3 lock contention. */ STAMCOUNTER StatContentionR3; /** Profiling the time the section is locked. */ STAMPROFILEADV StatLocked; } PDMCRITSECTINT; AssertCompileMemberAlignment(PDMCRITSECTINT, StatContentionRZLock, 8); /** Pointer to private critical section data. */ typedef PDMCRITSECTINT *PPDMCRITSECTINT; /** Indicates that the critical section is queued for unlock. * PDMCritSectIsOwner and PDMCritSectIsOwned optimizations. */ #define PDMCRITSECT_FLAGS_PENDING_UNLOCK RT_BIT_32(17) /** * The usual device/driver/internal/external stuff. */ typedef enum { /** The usual invalid entry. */ PDMTHREADTYPE_INVALID = 0, /** Device type. */ PDMTHREADTYPE_DEVICE, /** USB Device type. */ PDMTHREADTYPE_USB, /** Driver type. */ PDMTHREADTYPE_DRIVER, /** Internal type. */ PDMTHREADTYPE_INTERNAL, /** External type. */ PDMTHREADTYPE_EXTERNAL, /** The usual 32-bit hack. */ PDMTHREADTYPE_32BIT_HACK = 0x7fffffff } PDMTHREADTYPE; /** * The internal structure for the thread. */ typedef struct PDMTHREADINT { /** The VM pointer. */ PVMR3 pVM; /** The event semaphore the thread blocks on when not running. */ RTSEMEVENTMULTI BlockEvent; /** The event semaphore the thread sleeps on while running. */ RTSEMEVENTMULTI SleepEvent; /** Pointer to the next thread. */ R3PTRTYPE(struct PDMTHREAD *) pNext; /** The thread type. */ PDMTHREADTYPE enmType; } PDMTHREADINT; /* Must be included after PDMDEVINSINT is defined. */ #define PDMDEVINSINT_DECLARED #define PDMUSBINSINT_DECLARED #define PDMDRVINSINT_DECLARED #define PDMCRITSECTINT_DECLARED #define PDMTHREADINT_DECLARED #ifdef ___VBox_pdm_h # error "Invalid header PDM order. Include PDMInternal.h before VBox/pdm.h!" #endif RT_C_DECLS_END #include RT_C_DECLS_BEGIN /** * PDM Logical Unit. * * This typically the representation of a physical port on a * device, like for instance the PS/2 keyboard port on the * keyboard controller device. The LUNs are chained on the * device the belong to (PDMDEVINSINT::pLunsR3). */ typedef struct PDMLUN { /** The LUN - The Logical Unit Number. */ RTUINT iLun; /** Pointer to the next LUN. */ PPDMLUN pNext; /** Pointer to the top driver in the driver chain. */ PPDMDRVINS pTop; /** Pointer to the bottom driver in the driver chain. */ PPDMDRVINS pBottom; /** Pointer to the device instance which the LUN belongs to. * Either this is set or pUsbIns is set. Both is never set at the same time. */ PPDMDEVINS pDevIns; /** Pointer to the USB device instance which the LUN belongs to. */ PPDMUSBINS pUsbIns; /** Pointer to the device base interface. */ PPDMIBASE pBase; /** Description of this LUN. */ const char *pszDesc; } PDMLUN; /** * PDM Device. */ typedef struct PDMDEV { /** Pointer to the next device (R3 Ptr). */ R3PTRTYPE(PPDMDEV) pNext; /** Device name length. (search optimization) */ RTUINT cchName; /** Registration structure. */ R3PTRTYPE(const struct PDMDEVREG *) pDevReg; /** Number of instances. */ RTUINT cInstances; /** Pointer to chain of instances (R3 Ptr). */ PPDMDEVINSR3 pInstances; } PDMDEV; /** * PDM USB Device. */ typedef struct PDMUSB { /** Pointer to the next device (R3 Ptr). */ R3PTRTYPE(PPDMUSB) pNext; /** Device name length. (search optimization) */ RTUINT cchName; /** Registration structure. */ R3PTRTYPE(const struct PDMUSBREG *) pUsbReg; /** Next instance number. */ RTUINT iNextInstance; /** Pointer to chain of instances (R3 Ptr). */ R3PTRTYPE(PPDMUSBINS) pInstances; } PDMUSB; /** * PDM Driver. */ typedef struct PDMDRV { /** Pointer to the next device. */ PPDMDRV pNext; /** Registration structure. */ const struct PDMDRVREG * pDrvReg; /** Current number of instances. */ uint32_t cInstances; /** The next instance number. */ uint32_t iNextInstance; } PDMDRV; /** * PDM registered PIC device. */ typedef struct PDMPIC { /** Pointer to the PIC device instance - R3. */ PPDMDEVINSR3 pDevInsR3; /** @copydoc PDMPICREG::pfnSetIrqR3 */ DECLR3CALLBACKMEMBER(void, pfnSetIrqR3,(PPDMDEVINS pDevIns, int iIrq, int iLevel)); /** @copydoc PDMPICREG::pfnGetInterruptR3 */ DECLR3CALLBACKMEMBER(int, pfnGetInterruptR3,(PPDMDEVINS pDevIns)); /** Pointer to the PIC device instance - R0. */ PPDMDEVINSR0 pDevInsR0; /** @copydoc PDMPICREG::pfnSetIrqR3 */ DECLR0CALLBACKMEMBER(void, pfnSetIrqR0,(PPDMDEVINS pDevIns, int iIrq, int iLevel)); /** @copydoc PDMPICREG::pfnGetInterruptR3 */ DECLR0CALLBACKMEMBER(int, pfnGetInterruptR0,(PPDMDEVINS pDevIns)); /** Pointer to the PIC device instance - RC. */ PPDMDEVINSRC pDevInsRC; /** @copydoc PDMPICREG::pfnSetIrqR3 */ DECLRCCALLBACKMEMBER(void, pfnSetIrqRC,(PPDMDEVINS pDevIns, int iIrq, int iLevel)); /** @copydoc PDMPICREG::pfnGetInterruptR3 */ DECLRCCALLBACKMEMBER(int, pfnGetInterruptRC,(PPDMDEVINS pDevIns)); /** Alignment padding. */ RTRCPTR RCPtrPadding; } PDMPIC; /** * PDM registered APIC device. */ typedef struct PDMAPIC { /** Pointer to the APIC device instance - R3 Ptr. */ PPDMDEVINSR3 pDevInsR3; /** @copydoc PDMAPICREG::pfnGetInterruptR3 */ DECLR3CALLBACKMEMBER(int, pfnGetInterruptR3,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnHasPendingIrqR3 */ DECLR3CALLBACKMEMBER(bool, pfnHasPendingIrqR3,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnSetBaseR3 */ DECLR3CALLBACKMEMBER(void, pfnSetBaseR3,(PPDMDEVINS pDevIns, uint64_t u64Base)); /** @copydoc PDMAPICREG::pfnGetBaseR3 */ DECLR3CALLBACKMEMBER(uint64_t, pfnGetBaseR3,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnSetTPRR3 */ DECLR3CALLBACKMEMBER(void, pfnSetTPRR3,(PPDMDEVINS pDevIns, VMCPUID idCpu, uint8_t u8TPR)); /** @copydoc PDMAPICREG::pfnGetTPRR3 */ DECLR3CALLBACKMEMBER(uint8_t, pfnGetTPRR3,(PPDMDEVINS pDevIns, VMCPUID idCpu)); /** @copydoc PDMAPICREG::pfnWriteMSRR3 */ DECLR3CALLBACKMEMBER(int, pfnWriteMSRR3, (PPDMDEVINS pDevIns, VMCPUID idCpu, uint32_t u32Reg, uint64_t u64Value)); /** @copydoc PDMAPICREG::pfnReadMSRR3 */ DECLR3CALLBACKMEMBER(int, pfnReadMSRR3, (PPDMDEVINS pDevIns, VMCPUID idCpu, uint32_t u32Reg, uint64_t *pu64Value)); /** @copydoc PDMAPICREG::pfnBusDeliverR3 */ DECLR3CALLBACKMEMBER(int, pfnBusDeliverR3,(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode, uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode)); /** @copydoc PDMAPICREG::pfnLocalInterruptR3 */ DECLR3CALLBACKMEMBER(int, pfnLocalInterruptR3,(PPDMDEVINS pDevIns, uint8_t u8Pin, uint8_t u8Level)); /** Pointer to the APIC device instance - R0 Ptr. */ PPDMDEVINSR0 pDevInsR0; /** @copydoc PDMAPICREG::pfnGetInterruptR3 */ DECLR0CALLBACKMEMBER(int, pfnGetInterruptR0,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnHasPendingIrqR3 */ DECLR0CALLBACKMEMBER(bool, pfnHasPendingIrqR0,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnSetBaseR3 */ DECLR0CALLBACKMEMBER(void, pfnSetBaseR0,(PPDMDEVINS pDevIns, uint64_t u64Base)); /** @copydoc PDMAPICREG::pfnGetBaseR3 */ DECLR0CALLBACKMEMBER(uint64_t, pfnGetBaseR0,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnSetTPRR3 */ DECLR0CALLBACKMEMBER(void, pfnSetTPRR0,(PPDMDEVINS pDevIns, VMCPUID idCpu, uint8_t u8TPR)); /** @copydoc PDMAPICREG::pfnGetTPRR3 */ DECLR0CALLBACKMEMBER(uint8_t, pfnGetTPRR0,(PPDMDEVINS pDevIns, VMCPUID idCpu)); /** @copydoc PDMAPICREG::pfnWriteMSRR3 */ DECLR0CALLBACKMEMBER(uint32_t, pfnWriteMSRR0, (PPDMDEVINS pDevIns, VMCPUID idCpu, uint32_t u32Reg, uint64_t u64Value)); /** @copydoc PDMAPICREG::pfnReadMSRR3 */ DECLR0CALLBACKMEMBER(uint32_t, pfnReadMSRR0, (PPDMDEVINS pDevIns, VMCPUID idCpu, uint32_t u32Reg, uint64_t *pu64Value)); /** @copydoc PDMAPICREG::pfnBusDeliverR3 */ DECLR0CALLBACKMEMBER(int, pfnBusDeliverR0,(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode, uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode)); /** @copydoc PDMAPICREG::pfnLocalInterruptR3 */ DECLR0CALLBACKMEMBER(int, pfnLocalInterruptR0,(PPDMDEVINS pDevIns, uint8_t u8Pin, uint8_t u8Level)); /** Pointer to the APIC device instance - RC Ptr. */ PPDMDEVINSRC pDevInsRC; /** @copydoc PDMAPICREG::pfnGetInterruptR3 */ DECLRCCALLBACKMEMBER(int, pfnGetInterruptRC,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnHasPendingIrqR3 */ DECLRCCALLBACKMEMBER(bool, pfnHasPendingIrqRC,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnSetBaseR3 */ DECLRCCALLBACKMEMBER(void, pfnSetBaseRC,(PPDMDEVINS pDevIns, uint64_t u64Base)); /** @copydoc PDMAPICREG::pfnGetBaseR3 */ DECLRCCALLBACKMEMBER(uint64_t, pfnGetBaseRC,(PPDMDEVINS pDevIns)); /** @copydoc PDMAPICREG::pfnSetTPRR3 */ DECLRCCALLBACKMEMBER(void, pfnSetTPRRC,(PPDMDEVINS pDevIns, VMCPUID idCpu, uint8_t u8TPR)); /** @copydoc PDMAPICREG::pfnGetTPRR3 */ DECLRCCALLBACKMEMBER(uint8_t, pfnGetTPRRC,(PPDMDEVINS pDevIns, VMCPUID idCpu)); /** @copydoc PDMAPICREG::pfnWriteMSRR3 */ DECLRCCALLBACKMEMBER(uint32_t, pfnWriteMSRRC, (PPDMDEVINS pDevIns, VMCPUID idCpu, uint32_t u32Reg, uint64_t u64Value)); /** @copydoc PDMAPICREG::pfnReadMSRR3 */ DECLRCCALLBACKMEMBER(uint32_t, pfnReadMSRRC, (PPDMDEVINS pDevIns, VMCPUID idCpu, uint32_t u32Reg, uint64_t *pu64Value)); /** @copydoc PDMAPICREG::pfnBusDeliverR3 */ DECLRCCALLBACKMEMBER(int, pfnBusDeliverRC,(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode, uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode)); /** @copydoc PDMAPICREG::pfnLocalInterruptR3 */ DECLRCCALLBACKMEMBER(int, pfnLocalInterruptRC,(PPDMDEVINS pDevIns, uint8_t u8Pin, uint8_t u8Level)); RTRCPTR RCPtrAlignment; } PDMAPIC; /** * PDM registered I/O APIC device. */ typedef struct PDMIOAPIC { /** Pointer to the APIC device instance - R3 Ptr. */ PPDMDEVINSR3 pDevInsR3; /** @copydoc PDMIOAPICREG::pfnSetIrqR3 */ DECLR3CALLBACKMEMBER(void, pfnSetIrqR3,(PPDMDEVINS pDevIns, int iIrq, int iLevel)); /** Pointer to the PIC device instance - R0. */ PPDMDEVINSR0 pDevInsR0; /** @copydoc PDMIOAPICREG::pfnSetIrqR3 */ DECLR0CALLBACKMEMBER(void, pfnSetIrqR0,(PPDMDEVINS pDevIns, int iIrq, int iLevel)); /** Pointer to the APIC device instance - RC Ptr. */ PPDMDEVINSRC pDevInsRC; /** @copydoc PDMIOAPICREG::pfnSetIrqR3 */ DECLRCCALLBACKMEMBER(void, pfnSetIrqRC,(PPDMDEVINS pDevIns, int iIrq, int iLevel)); } PDMIOAPIC; /** Maximum number of PCI busses for a VM. */ #define PDM_PCI_BUSSES_MAX 8 /** * PDM PCI Bus instance. */ typedef struct PDMPCIBUS { /** PCI bus number. */ RTUINT iBus; RTUINT uPadding0; /**< Alignment padding.*/ /** Pointer to PCI Bus device instance. */ PPDMDEVINSR3 pDevInsR3; /** @copydoc PDMPCIBUSREG::pfnSetIrqR3 */ DECLR3CALLBACKMEMBER(void, pfnSetIrqR3,(PPDMDEVINS pDevIns, PPCIDEVICE pPciDev, int iIrq, int iLevel)); /** @copydoc PDMPCIBUSREG::pfnRegisterR3 */ DECLR3CALLBACKMEMBER(int, pfnRegisterR3,(PPDMDEVINS pDevIns, PPCIDEVICE pPciDev, const char *pszName, int iDev)); /** @copydoc PDMPCIBUSREG::pfnIORegionRegisterR3 */ DECLR3CALLBACKMEMBER(int, pfnIORegionRegisterR3,(PPDMDEVINS pDevIns, PPCIDEVICE pPciDev, int iRegion, uint32_t cbRegion, PCIADDRESSSPACE enmType, PFNPCIIOREGIONMAP pfnCallback)); /** @copydoc PDMPCIBUSREG::pfnSetConfigCallbacksR3 */ DECLR3CALLBACKMEMBER(void, pfnSetConfigCallbacksR3,(PPDMDEVINS pDevIns, PPCIDEVICE pPciDev, PFNPCICONFIGREAD pfnRead, PPFNPCICONFIGREAD ppfnReadOld, PFNPCICONFIGWRITE pfnWrite, PPFNPCICONFIGWRITE ppfnWriteOld)); /** @copydoc PDMPCIBUSREG::pfnSaveExecR3 */ DECLR3CALLBACKMEMBER(int, pfnSaveExecR3,(PPDMDEVINS pDevIns, PPCIDEVICE pPciDev, PSSMHANDLE pSSMHandle)); /** @copydoc PDMPCIBUSREG::pfnLoadExecR3 */ DECLR3CALLBACKMEMBER(int, pfnLoadExecR3,(PPDMDEVINS pDevIns, PPCIDEVICE pPciDev, PSSMHANDLE pSSMHandle)); /** @copydoc PDMPCIBUSREG::pfnFakePCIBIOSR3 */ DECLR3CALLBACKMEMBER(int, pfnFakePCIBIOSR3,(PPDMDEVINS pDevIns)); /** Pointer to the PIC device instance - R0. */ R0PTRTYPE(PPDMDEVINS) pDevInsR0; /** @copydoc PDMPCIBUSREG::pfnSetIrqR3 */ DECLR0CALLBACKMEMBER(void, pfnSetIrqR0,(PPDMDEVINS pDevIns, PPCIDEVICE pPciDev, int iIrq, int iLevel)); /** Pointer to PCI Bus device instance. */ PPDMDEVINSRC pDevInsRC; /** @copydoc PDMPCIBUSREG::pfnSetIrqR3 */ DECLRCCALLBACKMEMBER(void, pfnSetIrqRC,(PPDMDEVINS pDevIns, PPCIDEVICE pPciDev, int iIrq, int iLevel)); } PDMPCIBUS; #ifdef IN_RING3 /** * PDM registered DMAC (DMA Controller) device. */ typedef struct PDMDMAC { /** Pointer to the DMAC device instance. */ PPDMDEVINSR3 pDevIns; /** Copy of the registration structure. */ PDMDMACREG Reg; } PDMDMAC; /** * PDM registered RTC (Real Time Clock) device. */ typedef struct PDMRTC { /** Pointer to the RTC device instance. */ PPDMDEVINSR3 pDevIns; /** Copy of the registration structure. */ PDMRTCREG Reg; } PDMRTC; #endif /* IN_RING3 */ /** * Module type. */ typedef enum PDMMODTYPE { /** Raw-mode (RC) context module. */ PDMMOD_TYPE_RC, /** Ring-0 (host) context module. */ PDMMOD_TYPE_R0, /** Ring-3 (host) context module. */ PDMMOD_TYPE_R3 } PDMMODTYPE; /** The module name length including the terminator. */ #define PDMMOD_NAME_LEN 32 /** * Loaded module instance. */ typedef struct PDMMOD { /** Module name. This is used for refering to * the module internally, sort of like a handle. */ char szName[PDMMOD_NAME_LEN]; /** Module type. */ PDMMODTYPE eType; /** Loader module handle. Not used for R0 modules. */ RTLDRMOD hLdrMod; /** Loaded address. * This is the 'handle' for R0 modules. */ RTUINTPTR ImageBase; /** Old loaded address. * This is used during relocation of GC modules. Not used for R0 modules. */ RTUINTPTR OldImageBase; /** Where the R3 HC bits are stored. * This can be equal to ImageBase but doesn't have to. Not used for R0 modules. */ void *pvBits; /** Pointer to next module. */ struct PDMMOD *pNext; /** Module filename. */ char szFilename[1]; } PDMMOD; /** Pointer to loaded module instance. */ typedef PDMMOD *PPDMMOD; /** Extra space in the free array. */ #define PDMQUEUE_FREE_SLACK 16 /** * Queue type. */ typedef enum PDMQUEUETYPE { /** Device consumer. */ PDMQUEUETYPE_DEV = 1, /** Driver consumer. */ PDMQUEUETYPE_DRV, /** Internal consumer. */ PDMQUEUETYPE_INTERNAL, /** External consumer. */ PDMQUEUETYPE_EXTERNAL } PDMQUEUETYPE; /** Pointer to a PDM Queue. */ typedef struct PDMQUEUE *PPDMQUEUE; /** * PDM Queue. */ typedef struct PDMQUEUE { /** Pointer to the next queue in the list. */ R3PTRTYPE(PPDMQUEUE) pNext; /** Type specific data. */ union { /** PDMQUEUETYPE_DEV */ struct { /** Pointer to consumer function. */ R3PTRTYPE(PFNPDMQUEUEDEV) pfnCallback; /** Pointer to the device instance owning the queue. */ R3PTRTYPE(PPDMDEVINS) pDevIns; } Dev; /** PDMQUEUETYPE_DRV */ struct { /** Pointer to consumer function. */ R3PTRTYPE(PFNPDMQUEUEDRV) pfnCallback; /** Pointer to the driver instance owning the queue. */ R3PTRTYPE(PPDMDRVINS) pDrvIns; } Drv; /** PDMQUEUETYPE_INTERNAL */ struct { /** Pointer to consumer function. */ R3PTRTYPE(PFNPDMQUEUEINT) pfnCallback; } Int; /** PDMQUEUETYPE_EXTERNAL */ struct { /** Pointer to consumer function. */ R3PTRTYPE(PFNPDMQUEUEEXT) pfnCallback; /** Pointer to user argument. */ R3PTRTYPE(void *) pvUser; } Ext; } u; /** Queue type. */ PDMQUEUETYPE enmType; /** The interval between checking the queue for events. * The realtime timer below is used to do the waiting. * If 0, the queue will use the VM_FF_PDM_QUEUE forced action. */ uint32_t cMilliesInterval; /** Interval timer. Only used if cMilliesInterval is non-zero. */ PTMTIMERR3 pTimer; /** Pointer to the VM - R3. */ PVMR3 pVMR3; /** LIFO of pending items - R3. */ R3PTRTYPE(PPDMQUEUEITEMCORE) volatile pPendingR3; /** Pointer to the VM - R0. */ PVMR0 pVMR0; /** LIFO of pending items - R0. */ R0PTRTYPE(PPDMQUEUEITEMCORE) volatile pPendingR0; /** Pointer to the GC VM and indicator for GC enabled queue. * If this is NULL, the queue cannot be used in GC. */ PVMRC pVMRC; /** LIFO of pending items - GC. */ RCPTRTYPE(PPDMQUEUEITEMCORE) volatile pPendingRC; /** Item size (bytes). */ uint32_t cbItem; /** Number of items in the queue. */ uint32_t cItems; /** Index to the free head (where we insert). */ uint32_t volatile iFreeHead; /** Index to the free tail (where we remove). */ uint32_t volatile iFreeTail; /** Unqiue queue name. */ R3PTRTYPE(const char *) pszName; #if HC_ARCH_BITS == 32 RTR3PTR Alignment1; #endif /** Stat: Times PDMQueueAlloc fails. */ STAMCOUNTER StatAllocFailures; /** Stat: PDMQueueInsert calls. */ STAMCOUNTER StatInsert; /** Stat: Queue flushes. */ STAMCOUNTER StatFlush; /** Stat: Queue flushes with pending items left over. */ STAMCOUNTER StatFlushLeftovers; #ifdef VBOX_WITH_STATISTICS /** State: Profiling the flushing. */ STAMPROFILE StatFlushPrf; /** State: Pending items. */ uint32_t volatile cStatPending; uint32_t volatile cAlignment; #endif /** Array of pointers to free items. Variable size. */ struct PDMQUEUEFREEITEM { /** Pointer to the free item - HC Ptr. */ R3PTRTYPE(PPDMQUEUEITEMCORE) volatile pItemR3; /** Pointer to the free item - HC Ptr. */ R0PTRTYPE(PPDMQUEUEITEMCORE) volatile pItemR0; /** Pointer to the free item - GC Ptr. */ RCPTRTYPE(PPDMQUEUEITEMCORE) volatile pItemRC; #if HC_ARCH_BITS == 64 RTRCPTR Alignment0; #endif } aFreeItems[1]; } PDMQUEUE; /** @name PDM::fQueueFlushing * @{ */ /** Indicating that an queue insert has been performed. */ #define PDM_QUEUE_FLUSH_FLAG_ACTIVE RT_BIT_32(PDM_QUEUE_FLUSH_FLAG_ACTIVE_BIT) /** The bit number for PDM_QUEUE_FLUSH_FLAG_ACTIVE_BIT. */ #define PDM_QUEUE_FLUSH_FLAG_ACTIVE_BIT 0 /** Indicating there are pending items. * This is make sure we don't miss inserts happening during flushing. The FF * cannot be used for this since it has to be cleared immediately to prevent * other EMTs from spinning. */ #define PDM_QUEUE_FLUSH_FLAG_PENDING RT_BIT_32(PDM_QUEUE_FLUSH_FLAG_PENDING_BIT) /** The bit number for PDM_QUEUE_FLUSH_FLAG_PENDING. */ #define PDM_QUEUE_FLUSH_FLAG_PENDING_BIT 1 /** }@ */ /** * Queue device helper task operation. */ typedef enum PDMDEVHLPTASKOP { /** The usual invalid 0 entry. */ PDMDEVHLPTASKOP_INVALID = 0, /** ISASetIrq */ PDMDEVHLPTASKOP_ISA_SET_IRQ, /** PCISetIrq */ PDMDEVHLPTASKOP_PCI_SET_IRQ, /** PCISetIrq */ PDMDEVHLPTASKOP_IOAPIC_SET_IRQ, /** The usual 32-bit hack. */ PDMDEVHLPTASKOP_32BIT_HACK = 0x7fffffff } PDMDEVHLPTASKOP; /** * Queued Device Helper Task. */ typedef struct PDMDEVHLPTASK { /** The queue item core (don't touch). */ PDMQUEUEITEMCORE Core; /** Pointer to the device instance (R3 Ptr). */ PPDMDEVINSR3 pDevInsR3; /** This operation to perform. */ PDMDEVHLPTASKOP enmOp; #if HC_ARCH_BITS == 64 uint32_t Alignment0; #endif /** Parameters to the operation. */ union PDMDEVHLPTASKPARAMS { /** * PDMDEVHLPTASKOP_ISA_SET_IRQ and PDMDEVHLPTASKOP_PCI_SET_IRQ. */ struct PDMDEVHLPTASKSETIRQ { /** The IRQ */ int iIrq; /** The new level. */ int iLevel; } SetIRQ; } u; } PDMDEVHLPTASK; /** Pointer to a queued Device Helper Task. */ typedef PDMDEVHLPTASK *PPDMDEVHLPTASK; /** Pointer to a const queued Device Helper Task. */ typedef const PDMDEVHLPTASK *PCPDMDEVHLPTASK; /** * An USB hub registration record. */ typedef struct PDMUSBHUB { /** The USB versions this hub support. * Note that 1.1 hubs can take on 2.0 devices. */ uint32_t fVersions; /** The number of ports on the hub. */ uint32_t cPorts; /** The number of available ports (0..cPorts). */ uint32_t cAvailablePorts; /** The driver instance of the hub. */ PPDMDRVINS pDrvIns; /** Copy of the to the registration structure. */ PDMUSBHUBREG Reg; /** Pointer to the next hub in the list. */ struct PDMUSBHUB *pNext; } PDMUSBHUB; /** Pointer to a const USB HUB registration record. */ typedef const PDMUSBHUB *PCPDMUSBHUB; /** Pointer to a PDM Async I/O template. */ typedef struct PDMASYNCCOMPLETIONTEMPLATE *PPDMASYNCCOMPLETIONTEMPLATE; /** Pointer to the main PDM Async completion endpoint class. */ typedef struct PDMASYNCCOMPLETIONEPCLASS *PPDMASYNCCOMPLETIONEPCLASS; /** * PDM VMCPU Instance data. * Changes to this must checked against the padding of the cfgm union in VMCPU! */ typedef struct PDMCPU { /** The number of entries in the apQueuedCritSectsLeaves table that's currnetly in use. */ uint32_t cQueuedCritSectLeaves; uint32_t uPadding0; /**< Alignment padding.*/ /** Critical sections queued in RC/R0 because of contention preventing leave to complete. (R3 Ptrs) * We will return to Ring-3 ASAP, so this queue doesn't have to be very long. */ R3PTRTYPE(PPDMCRITSECT) apQueuedCritSectsLeaves[8]; } PDMCPU; /** * Converts a PDM pointer into a VM pointer. * @returns Pointer to the VM structure the PDM is part of. * @param pPDM Pointer to PDM instance data. */ #define PDM2VM(pPDM) ( (PVM)((char*)pPDM - pPDM->offVM) ) /** * PDM VM Instance data. * Changes to this must checked against the padding of the cfgm union in VM! */ typedef struct PDM { /** Offset to the VM structure. * See PDM2VM(). */ RTUINT offVM; RTUINT uPadding0; /**< Alignment padding.*/ /** List of registered devices. (FIFO) */ R3PTRTYPE(PPDMDEV) pDevs; /** List of devices instances. (FIFO) */ R3PTRTYPE(PPDMDEVINS) pDevInstances; /** List of registered USB devices. (FIFO) */ R3PTRTYPE(PPDMUSB) pUsbDevs; /** List of USB devices instances. (FIFO) */ R3PTRTYPE(PPDMUSBINS) pUsbInstances; /** List of registered drivers. (FIFO) */ R3PTRTYPE(PPDMDRV) pDrvs; /** List of initialized critical sections. (LIFO) */ R3PTRTYPE(PPDMCRITSECTINT) pCritSects; /** PCI Buses. */ PDMPCIBUS aPciBuses[PDM_PCI_BUSSES_MAX]; /** The register PIC device. */ PDMPIC Pic; /** The registerd APIC device. */ PDMAPIC Apic; /** The registerd I/O APIC device. */ PDMIOAPIC IoApic; /** The registered DMAC device. */ R3PTRTYPE(PPDMDMAC) pDmac; /** The registered RTC device. */ R3PTRTYPE(PPDMRTC) pRtc; /** The registered USB HUBs. (FIFO) */ R3PTRTYPE(PPDMUSBHUB) pUsbHubs; /** Queue in which devhlp tasks are queued for R3 execution - R3 Ptr. */ R3PTRTYPE(PPDMQUEUE) pDevHlpQueueR3; /** Queue in which devhlp tasks are queued for R3 execution - R0 Ptr. */ R0PTRTYPE(PPDMQUEUE) pDevHlpQueueR0; /** Queue in which devhlp tasks are queued for R3 execution - RC Ptr. */ RCPTRTYPE(PPDMQUEUE) pDevHlpQueueRC; RTRCPTR uPadding1; /**< Alignment padding. */ /** Linked list of timer driven PDM queues. */ R3PTRTYPE(struct PDMQUEUE *) pQueuesTimer; /** Linked list of force action driven PDM queues. */ R3PTRTYPE(struct PDMQUEUE *) pQueuesForced; /** Pointer to the queue which should be manually flushed - R0 Ptr. * Only touched by EMT. */ R0PTRTYPE(struct PDMQUEUE *) pQueueFlushR0; /** Pointer to the queue which should be manually flushed - RC Ptr. * Only touched by EMT. */ RCPTRTYPE(struct PDMQUEUE *) pQueueFlushRC; /** Bitmask controlling the queue flushing. * See PDM_QUEUE_FLUSH_FLAG_ACTIVE and PDM_QUEUE_FLUSH_FLAG_PENDING. */ uint32_t volatile fQueueFlushing; /** Head of the PDM Thread list. (singly linked) */ R3PTRTYPE(PPDMTHREAD) pThreads; /** Tail of the PDM Thread list. (singly linked) */ R3PTRTYPE(PPDMTHREAD) pThreadsTail; /** @name PDM Async Completion * @{ */ /** Pointer to the array of supported endpoint classes. */ R3PTRTYPE(PPDMASYNCCOMPLETIONEPCLASS *) papAsyncCompletionEndpointClass; /** Head of the templates. (singly linked) */ R3PTRTYPE(PPDMASYNCCOMPLETIONTEMPLATE) pAsyncCompletionTemplates; /** @} */ /** @name VMM device heap * @{ */ /** Pointer to the heap base (MMIO2 ring-3 mapping). NULL if not registered. */ RTR3PTR pvVMMDevHeap; #if HC_ARCH_BITS == 32 /** Alignment padding. */ uint32_t u32Padding2; #endif /** The heap size. */ RTUINT cbVMMDevHeap; /** Free space. */ RTUINT cbVMMDevHeapLeft; /** The current mapping. NIL_RTGCPHYS if not mapped or registered. */ RTGCPHYS GCPhysVMMDevHeap; /** @} */ /** The PDM lock. * This is used to protect everything that deals with interrupts, i.e. * the PIC, APIC, IOAPIC and PCI devices pluss some PDM functions. */ PDMCRITSECT CritSect; /** The PDM miscellancous lock. * This is used to protect things like critsect init/delete that formerly was * serialized by there only being one EMT. */ RTCRITSECT MiscCritSect; /** Number of times a critical section leave requesed needed to be queued for ring-3 execution. */ STAMCOUNTER StatQueuedCritSectLeaves; } PDM; AssertCompileMemberAlignment(PDM, GCPhysVMMDevHeap, sizeof(RTGCPHYS)); AssertCompileMemberAlignment(PDM, CritSect, 8); AssertCompileMemberAlignment(PDM, StatQueuedCritSectLeaves, 8); /** Pointer to PDM VM instance data. */ typedef PDM *PPDM; /** * PDM data kept in the UVM. */ typedef struct PDMUSERPERVM { /** Pointer to list of loaded modules. */ PPDMMOD pModules; /** @todo move more stuff over here. */ } PDMUSERPERVM; /** Pointer to the PDM data kept in the UVM. */ typedef PDMUSERPERVM *PPDMUSERPERVM; /******************************************************************************* * Global Variables * *******************************************************************************/ #ifdef IN_RING3 extern const PDMDRVHLPR3 g_pdmR3DrvHlp; extern const PDMDEVHLPR3 g_pdmR3DevHlpTrusted; extern const PDMDEVHLPR3 g_pdmR3DevHlpUnTrusted; extern const PDMPICHLPR3 g_pdmR3DevPicHlp; extern const PDMAPICHLPR3 g_pdmR3DevApicHlp; extern const PDMIOAPICHLPR3 g_pdmR3DevIoApicHlp; extern const PDMPCIHLPR3 g_pdmR3DevPciHlp; extern const PDMDMACHLP g_pdmR3DevDmacHlp; extern const PDMRTCHLP g_pdmR3DevRtcHlp; #endif /******************************************************************************* * Defined Constants And Macros * *******************************************************************************/ /** @def PDMDEV_ASSERT_DEVINS * Asserts the validity of the device instance. */ #ifdef VBOX_STRICT # define PDMDEV_ASSERT_DEVINS(pDevIns) \ do { \ AssertPtr(pDevIns); \ Assert(pDevIns->u32Version == PDM_DEVINS_VERSION); \ Assert(pDevIns->CTX_SUFF(pvInstanceData) == (void *)&pDevIns->achInstanceData[0]); \ } while (0) #else # define PDMDEV_ASSERT_DEVINS(pDevIns) do { } while (0) #endif /******************************************************************************* * Internal Functions * *******************************************************************************/ #ifdef IN_RING3 int pdmR3CritSectInit(PVM pVM); int pdmR3CritSectTerm(PVM pVM); void pdmR3CritSectRelocate(PVM pVM); int pdmR3CritSectInitDevice(PVM pVM, PPDMDEVINS pDevIns, PPDMCRITSECT pCritSect, RT_SRC_POS_DECL, const char *pszNameFmt, va_list va); int pdmR3CritSectDeleteDevice(PVM pVM, PPDMDEVINS pDevIns); int pdmR3DevInit(PVM pVM); PPDMDEV pdmR3DevLookup(PVM pVM, const char *pszName); int pdmR3DevFindLun(PVM pVM, const char *pszDevice, unsigned iInstance, unsigned iLun, PPDMLUN *ppLun); DECLCALLBACK(bool) pdmR3DevHlpQueueConsumer(PVM pVM, PPDMQUEUEITEMCORE pItem); int pdmR3UsbLoadModules(PVM pVM); int pdmR3UsbInstantiateDevices(PVM pVM); PPDMUSB pdmR3UsbLookup(PVM pVM, const char *pszName); int pdmR3UsbFindLun(PVM pVM, const char *pszDevice, unsigned iInstance, unsigned iLun, PPDMLUN *ppLun); int pdmR3UsbRegisterHub(PVM pVM, PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp); int pdmR3UsbVMInitComplete(PVM pVM); int pdmR3DrvInit(PVM pVM); int pdmR3DrvInstantiate(PVM pVM, PCFGMNODE pNode, PPDMIBASE pBaseInterface, PPDMDRVINS pDrvAbove, PPDMLUN pLun, PPDMIBASE *ppBaseInterface); int pdmR3DrvDetach(PPDMDRVINS pDrvIns, uint32_t fFlags); void pdmR3DrvDestroyChain(PPDMDRVINS pDrvIns, uint32_t fFlags); PPDMDRV pdmR3DrvLookup(PVM pVM, const char *pszName); int pdmR3LdrInitU(PUVM pUVM); void pdmR3LdrTermU(PUVM pUVM); char * pdmR3FileR3(const char *pszFile, bool fShared = false); int pdmR3LoadR3U(PUVM pUVM, const char *pszFilename, const char *pszName); void pdmR3QueueRelocate(PVM pVM, RTGCINTPTR offDelta); int pdmR3ThreadCreateDevice(PVM pVM, PPDMDEVINS pDevIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDEV pfnThread, PFNPDMTHREADWAKEUPDEV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName); int pdmR3ThreadCreateUsb(PVM pVM, PPDMDRVINS pUsbIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADUSB pfnThread, PFNPDMTHREADWAKEUPUSB pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName); int pdmR3ThreadCreateDriver(PVM pVM, PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread, PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName); int pdmR3ThreadDestroyDevice(PVM pVM, PPDMDEVINS pDevIns); int pdmR3ThreadDestroyUsb(PVM pVM, PPDMUSBINS pUsbIns); int pdmR3ThreadDestroyDriver(PVM pVM, PPDMDRVINS pDrvIns); void pdmR3ThreadDestroyAll(PVM pVM); int pdmR3ThreadResumeAll(PVM pVM); int pdmR3ThreadSuspendAll(PVM pVM); #ifdef VBOX_WITH_PDM_ASYNC_COMPLETION int pdmR3AsyncCompletionInit(PVM pVM); int pdmR3AsyncCompletionTerm(PVM pVM); #endif #endif /* IN_RING3 */ void pdmLock(PVM pVM); int pdmLockEx(PVM pVM, int rc); void pdmUnlock(PVM pVM); /** @} */ RT_C_DECLS_END #endif