/** @file * PDM - Pluggable Device Manager, Drivers. */ /* * 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. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. * * 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 ___VBox_pdmdrv_h #define ___VBox_pdmdrv_h #include #include #include #include #include #include #include #include #include #include #include #include #ifdef VBOX_WITH_PDM_ASYNC_COMPLETION # include #endif __BEGIN_DECLS /** @defgroup grp_pdm_driver Drivers * @ingroup grp_pdm * @{ */ /** * Construct a driver instance for a VM. * * @returns VBox status. * @param pDrvIns The driver instance data. * If the registration structure is needed, pDrvIns->pDrvReg points to it. * @param pCfgHandle Configuration node handle for the driver. Use this to obtain the configuration * of the driver instance. It's also found in pDrvIns->pCfgHandle as it's expected * to be used frequently in this function. */ typedef DECLCALLBACK(int) FNPDMDRVCONSTRUCT(PPDMDRVINS pDrvIns, PCFGMNODE pCfgHandle); /** Pointer to a FNPDMDRVCONSTRUCT() function. */ typedef FNPDMDRVCONSTRUCT *PFNPDMDRVCONSTRUCT; /** * Destruct a driver instance. * * Most VM resources are freed by the VM. This callback is provided so that * any non-VM resources can be freed correctly. * * @param pDrvIns The driver instance data. */ typedef DECLCALLBACK(void) FNPDMDRVDESTRUCT(PPDMDRVINS pDrvIns); /** Pointer to a FNPDMDRVDESTRUCT() function. */ typedef FNPDMDRVDESTRUCT *PFNPDMDRVDESTRUCT; /** * Driver I/O Control interface. * * This is used by external components, such as the COM interface, to * communicate with a driver using a driver specific interface. Generally, * the driver interfaces are used for this task. * * @returns VBox status code. * @param pDrvIns Pointer to the driver instance. * @param uFunction Function to perform. * @param pvIn Pointer to input data. * @param cbIn Size of input data. * @param pvOut Pointer to output data. * @param cbOut Size of output data. * @param pcbOut Where to store the actual size of the output data. */ typedef DECLCALLBACK(int) FNPDMDRVIOCTL(PPDMDRVINS pDrvIns, RTUINT uFunction, void *pvIn, RTUINT cbIn, void *pvOut, RTUINT cbOut, PRTUINT pcbOut); /** Pointer to a FNPDMDRVIOCTL() function. */ typedef FNPDMDRVIOCTL *PFNPDMDRVIOCTL; /** * Power On notification. * * @param pDrvIns The driver instance data. */ typedef DECLCALLBACK(void) FNPDMDRVPOWERON(PPDMDRVINS pDrvIns); /** Pointer to a FNPDMDRVPOWERON() function. */ typedef FNPDMDRVPOWERON *PFNPDMDRVPOWERON; /** * Reset notification. * * @returns VBox status. * @param pDrvIns The driver instance data. */ typedef DECLCALLBACK(void) FNPDMDRVRESET(PPDMDRVINS pDrvIns); /** Pointer to a FNPDMDRVRESET() function. */ typedef FNPDMDRVRESET *PFNPDMDRVRESET; /** * Suspend notification. * * @returns VBox status. * @param pDrvIns The driver instance data. */ typedef DECLCALLBACK(void) FNPDMDRVSUSPEND(PPDMDRVINS pDrvIns); /** Pointer to a FNPDMDRVSUSPEND() function. */ typedef FNPDMDRVSUSPEND *PFNPDMDRVSUSPEND; /** * Resume notification. * * @returns VBox status. * @param pDrvIns The driver instance data. */ typedef DECLCALLBACK(void) FNPDMDRVRESUME(PPDMDRVINS pDrvIns); /** Pointer to a FNPDMDRVRESUME() function. */ typedef FNPDMDRVRESUME *PFNPDMDRVRESUME; /** * Power Off notification. * * @param pDrvIns The driver instance data. */ typedef DECLCALLBACK(void) FNPDMDRVPOWEROFF(PPDMDRVINS pDrvIns); /** Pointer to a FNPDMDRVPOWEROFF() function. */ typedef FNPDMDRVPOWEROFF *PFNPDMDRVPOWEROFF; /** * Detach notification. * * This is called when a driver below it in the chain is detaching itself * from it. The driver should adjust it's state to reflect this. * * This is like ejecting a cdrom or floppy. * * @param pDrvIns The driver instance. */ typedef DECLCALLBACK(void) FNPDMDRVDETACH(PPDMDRVINS pDrvIns); /** Pointer to a FNPDMDRVDETACH() function. */ typedef FNPDMDRVDETACH *PFNPDMDRVDETACH; /** PDM Driver Registration Structure, * This structure is used when registering a driver from * VBoxInitDrivers() (HC Ring-3). PDM will continue use till * the VM is terminated. */ typedef struct PDMDRVREG { /** Structure version. PDM_DRVREG_VERSION defines the current version. */ uint32_t u32Version; /** Driver name. */ char szDriverName[32]; /** The description of the driver. The UTF-8 string pointed to shall, like this structure, * remain unchanged from registration till VM destruction. */ const char *pszDescription; /** Flags, combination of the PDM_DRVREG_FLAGS_* \#defines. */ RTUINT fFlags; /** Driver class(es), combination of the PDM_DRVREG_CLASS_* \#defines. */ RTUINT fClass; /** Maximum number of instances (per VM). */ RTUINT cMaxInstances; /** Size of the instance data. */ RTUINT cbInstance; /** Construct instance - required. */ PFNPDMDRVCONSTRUCT pfnConstruct; /** Destruct instance - optional. */ PFNPDMDRVDESTRUCT pfnDestruct; /** I/O control - optional. */ PFNPDMDRVIOCTL pfnIOCtl; /** Power on notification - optional. */ PFNPDMDRVPOWERON pfnPowerOn; /** Reset notification - optional. */ PFNPDMDRVRESET pfnReset; /** Suspend notification - optional. */ PFNPDMDRVSUSPEND pfnSuspend; /** Resume notification - optional. */ PFNPDMDRVRESUME pfnResume; /** Detach notification - optional. */ PFNPDMDRVDETACH pfnDetach; /** Power off notification - optional. */ PFNPDMDRVPOWEROFF pfnPowerOff; } PDMDRVREG; /** Pointer to a PDM Driver Structure. */ typedef PDMDRVREG *PPDMDRVREG; /** Const pointer to a PDM Driver Structure. */ typedef PDMDRVREG const *PCPDMDRVREG; /** Current DRVREG version number. */ #define PDM_DRVREG_VERSION 0x80010000 /** PDM Device Flags. * @{ */ /** @def PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT * The bit count for the current host. */ #if HC_ARCH_BITS == 32 # define PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT 0x000000001 #elif HC_ARCH_BITS == 64 # define PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT 0x000000002 #else # error Unsupported HC_ARCH_BITS value. #endif /** The host bit count mask. */ #define PDM_DRVREG_FLAGS_HOST_BITS_MASK 0x000000003 /** @} */ /** PDM Driver Classes. * @{ */ /** Mouse input driver. */ #define PDM_DRVREG_CLASS_MOUSE RT_BIT(0) /** Keyboard input driver. */ #define PDM_DRVREG_CLASS_KEYBOARD RT_BIT(1) /** Display driver. */ #define PDM_DRVREG_CLASS_DISPLAY RT_BIT(2) /** Network transport driver. */ #define PDM_DRVREG_CLASS_NETWORK RT_BIT(3) /** Block driver. */ #define PDM_DRVREG_CLASS_BLOCK RT_BIT(4) /** Media driver. */ #define PDM_DRVREG_CLASS_MEDIA RT_BIT(5) /** Mountable driver. */ #define PDM_DRVREG_CLASS_MOUNTABLE RT_BIT(6) /** Audio driver. */ #define PDM_DRVREG_CLASS_AUDIO RT_BIT(7) /** VMMDev driver. */ #define PDM_DRVREG_CLASS_VMMDEV RT_BIT(8) /** Status driver. */ #define PDM_DRVREG_CLASS_STATUS RT_BIT(9) /** ACPI driver. */ #define PDM_DRVREG_CLASS_ACPI RT_BIT(10) /** USB related driver. */ #define PDM_DRVREG_CLASS_USB RT_BIT(11) /** ISCSI Transport related driver. */ #define PDM_DRVREG_CLASS_ISCSITRANSPORT RT_BIT(12) /** Char driver. */ #define PDM_DRVREG_CLASS_CHAR RT_BIT(13) /** Stream driver. */ #define PDM_DRVREG_CLASS_STREAM RT_BIT(14) /** @} */ /** * USB hub registration structure. */ typedef struct PDMUSBHUBREG { /** Structure version number. PDM_USBHUBREG_VERSION defines the current version. */ uint32_t u32Version; /** * Request the hub to attach of the specified device. * * @returns VBox status code. * @param pDrvIns The hub instance. * @param pUsbIns The device to attach. * @param piPort Where to store the port number the device was attached to. * @thread EMT. */ DECLR3CALLBACKMEMBER(int, pfnAttachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t *piPort)); /** * Request the hub to detach of the specified device. * * The device has previously been attached to the hub with the * pfnAttachDevice call. This call is not currently expected to * fail. * * @returns VBox status code. * @param pDrvIns The hub instance. * @param pUsbIns The device to detach. * @param iPort The port number returned by the attach call. * @thread EMT. */ DECLR3CALLBACKMEMBER(int, pfnDetachDevice,(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t iPort)); /** Counterpart to u32Version, same value. */ uint32_t u32TheEnd; } PDMUSBHUBREG; /** Pointer to a const USB hub registration structure. */ typedef const PDMUSBHUBREG *PCPDMUSBHUBREG; /** Current PDMUSBHUBREG version number. */ #define PDM_USBHUBREG_VERSION 0xeb010000 /** * USB hub helpers. * This is currently just a place holder. */ typedef struct PDMUSBHUBHLP { /** Structure version. PDM_USBHUBHLP_VERSION defines the current version. */ uint32_t u32Version; /** Just a safety precaution. */ uint32_t u32TheEnd; } PDMUSBHUBHLP; /** Pointer to PCI helpers. */ typedef PDMUSBHUBHLP *PPDMUSBHUBHLP; /** Pointer to const PCI helpers. */ typedef const PDMUSBHUBHLP *PCPDMUSBHUBHLP; /** Pointer to const PCI helpers pointer. */ typedef PCPDMUSBHUBHLP *PPCPDMUSBHUBHLP; /** Current PDMUSBHUBHLP version number. */ #define PDM_USBHUBHLP_VERSION 0xea010000 /** * Poller callback. * * @param pDrvIns The driver instance. */ typedef DECLCALLBACK(void) FNPDMDRVPOLLER(PPDMDRVINS pDrvIns); /** Pointer to a FNPDMDRVPOLLER function. */ typedef FNPDMDRVPOLLER *PFNPDMDRVPOLLER; #ifdef IN_RING3 /** * PDM Driver API. */ typedef struct PDMDRVHLP { /** Structure version. PDM_DRVHLP_VERSION defines the current version. */ uint32_t u32Version; /** * Attaches a driver (chain) to the driver. * * @returns VBox status code. * @param pDrvIns Driver instance. * @param ppBaseInterface Where to store the pointer to the base interface. */ DECLR3CALLBACKMEMBER(int, pfnAttach,(PPDMDRVINS pDrvIns, PPDMIBASE *ppBaseInterface)); /** * Detach the driver the drivers below us. * * @returns VBox status code. * @param pDrvIns Driver instance. */ DECLR3CALLBACKMEMBER(int, pfnDetach,(PPDMDRVINS pDrvIns)); /** * Detach the driver from the driver above it and destroy this * driver and all drivers below it. * * @returns VBox status code. * @param pDrvIns Driver instance. */ DECLR3CALLBACKMEMBER(int, pfnDetachSelf,(PPDMDRVINS pDrvIns)); /** * Prepare a media mount. * * The driver must not have anything attached to itself * when calling this function as the purpose is to set up the configuration * of an future attachment. * * @returns VBox status code * @param pDrvIns Driver instance. * @param pszFilename Pointer to filename. If this is NULL it assumed that the caller have * constructed a configuration which can be attached to the bottom driver. * @param pszCoreDriver Core driver name. NULL will cause autodetection. Ignored if pszFilanem is NULL. */ DECLR3CALLBACKMEMBER(int, pfnMountPrepare,(PPDMDRVINS pDrvIns, const char *pszFilename, const char *pszCoreDriver)); /** * Assert that the current thread is the emulation thread. * * @returns True if correct. * @returns False if wrong. * @param pDrvIns Driver instance. * @param pszFile Filename of the assertion location. * @param iLine Linenumber of the assertion location. * @param pszFunction Function of the assertion location. */ DECLR3CALLBACKMEMBER(bool, pfnAssertEMT,(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)); /** * Assert that the current thread is NOT the emulation thread. * * @returns True if correct. * @returns False if wrong. * @param pDrvIns Driver instance. * @param pszFile Filename of the assertion location. * @param iLine Linenumber of the assertion location. * @param pszFunction Function of the assertion location. */ DECLR3CALLBACKMEMBER(bool, pfnAssertOther,(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)); /** * Set the VM error message * * @returns rc. * @param pDrvIns Driver instance. * @param rc VBox status code. * @param RT_SRC_POS_DECL Use RT_SRC_POS. * @param pszFormat Error message format string. * @param ... Error message arguments. */ DECLR3CALLBACKMEMBER(int, pfnVMSetError,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)); /** * Set the VM error message * * @returns rc. * @param pDrvIns Driver instance. * @param rc VBox status code. * @param RT_SRC_POS_DECL Use RT_SRC_POS. * @param pszFormat Error message format string. * @param va Error message arguments. */ DECLR3CALLBACKMEMBER(int, pfnVMSetErrorV,(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)); /** * Set the VM runtime error message * * @returns VBox status code. * @param pDrvIns Driver instance. * @param fFatal Whether it is a fatal error or not. * @param pszErrorID Error ID string. * @param pszFormat Error message format string. * @param ... Error message arguments. */ DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeError,(PPDMDRVINS pDrvIns, bool fFatal, const char *pszErrorID, const char *pszFormat, ...)); /** * Set the VM runtime error message * * @returns VBox status code. * @param pDrvIns Driver instance. * @param fFatal Whether it is a fatal error or not. * @param pszErrorID Error ID string. * @param pszFormat Error message format string. * @param va Error message arguments. */ DECLR3CALLBACKMEMBER(int, pfnVMSetRuntimeErrorV,(PPDMDRVINS pDrvIns, bool fFatal, const char *pszErrorID, const char *pszFormat, va_list va)); /** * Create a queue. * * @returns VBox status code. * @param pDrvIns Driver instance. * @param cbItem Size a queue item. * @param cItems Number of items in the queue. * @param cMilliesInterval Number of milliseconds between polling the queue. * If 0 then the emulation thread will be notified whenever an item arrives. * @param pfnCallback The consumer function. * @param ppQueue Where to store the queue handle on success. * @thread The emulation thread. */ DECLR3CALLBACKMEMBER(int, pfnPDMQueueCreate,(PPDMDRVINS pDrvIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval, PFNPDMQUEUEDRV pfnCallback, PPDMQUEUE *ppQueue)); /** * Register a poller function. * TEMPORARY HACK FOR NETWORKING! DON'T USE! * * @returns VBox status code. * @param pDrvIns Driver instance. * @param pfnPoller The callback function. */ DECLR3CALLBACKMEMBER(int, pfnPDMPollerRegister,(PPDMDRVINS pDrvIns, PFNPDMDRVPOLLER pfnPoller)); /** * Query the virtual timer frequency. * * @returns Frequency in Hz. * @param pDrvIns Driver instance. * @thread Any thread. */ DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualFreq,(PPDMDRVINS pDrvIns)); /** * Query the virtual time. * * @returns The current virtual time. * @param pDrvIns Driver instance. * @thread Any thread. */ DECLR3CALLBACKMEMBER(uint64_t, pfnTMGetVirtualTime,(PPDMDRVINS pDrvIns)); /** * Creates a timer. * * @returns VBox status. * @param pDrvIns Driver instance. * @param enmClock The clock to use on this timer. * @param pfnCallback Callback function. * @param pszDesc Pointer to description string which must stay around * until the timer is fully destroyed (i.e. a bit after TMTimerDestroy()). * @param ppTimer Where to store the timer on success. */ DECLR3CALLBACKMEMBER(int, pfnTMTimerCreate,(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, const char *pszDesc, PPTMTIMERR3 ppTimer)); /** * Register a save state data unit. * * @returns VBox status. * @param pDrvIns Driver instance. * @param pszName Data unit name. * @param u32Instance The instance identifier of the data unit. * This must together with the name be unique. * @param u32Version Data layout version number. * @param cbGuess The approximate amount of data in the unit. * Only for progress indicators. * @param pfnSavePrep Prepare save callback, optional. * @param pfnSaveExec Execute save callback, optional. * @param pfnSaveDone Done save callback, optional. * @param pfnLoadPrep Prepare load callback, optional. * @param pfnLoadExec Execute load callback, optional. * @param pfnLoadDone Done load callback, optional. */ DECLR3CALLBACKMEMBER(int, pfnSSMRegister,(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance, uint32_t u32Version, size_t cbGuess, PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone, PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone)); /** * Deregister a save state data unit. * * @returns VBox status. * @param pDrvIns Driver instance. * @param pszName Data unit name. * @param u32Instance The instance identifier of the data unit. * This must together with the name be unique. */ DECLR3CALLBACKMEMBER(int, pfnSSMDeregister,(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance)); /** * Registers a statistics sample if statistics are enabled. * * @param pDrvIns Driver instance. * @param pvSample Pointer to the sample. * @param enmType Sample type. This indicates what pvSample is pointing at. * @param pszName Sample name. The name is on this form "//". * Further nesting is possible. * @param enmUnit Sample unit. * @param pszDesc Sample description. */ DECLR3CALLBACKMEMBER(void, pfnSTAMRegister,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, const char *pszName, STAMUNIT enmUnit, const char *pszDesc)); /** * Same as pfnSTAMRegister except that the name is specified in a * RTStrPrintf like fashion. * * @returns VBox status. * @param pDrvIns Driver instance. * @param pvSample Pointer to the sample. * @param enmType Sample type. This indicates what pvSample is pointing at. * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. * @param enmUnit Sample unit. * @param pszDesc Sample description. * @param pszName The sample name format string. * @param ... Arguments to the format string. */ DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterF,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, const char *pszDesc, const char *pszName, ...)); /** * Same as pfnSTAMRegister except that the name is specified in a * RTStrPrintfV like fashion. * * @returns VBox status. * @param pDrvIns Driver instance. * @param pvSample Pointer to the sample. * @param enmType Sample type. This indicates what pvSample is pointing at. * @param enmVisibility Visibility type specifying whether unused statistics should be visible or not. * @param enmUnit Sample unit. * @param pszDesc Sample description. * @param pszName The sample name format string. * @param args Arguments to the format string. */ DECLR3CALLBACKMEMBER(void, pfnSTAMRegisterV,(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, const char *pszDesc, const char *pszName, va_list args)); /** * Calls the HC R0 VMM entry point, in a safer but slower manner than SUPCallVMMR0. * * When entering using this call the R0 components can call into the host kernel * (i.e. use the SUPR0 and RT APIs). * * See VMMR0Entry() for more details. * * @returns error code specific to uFunction. * @param pDrvIns The driver instance. * @param uOperation Operation to execute. * This is limited to services. * @param pvArg Pointer to argument structure or if cbArg is 0 just an value. * @param cbArg The size of the argument. This is used to copy whatever the argument * points at into a kernel buffer to avoid problems like the user page * being invalidated while we're executing the call. */ DECLR3CALLBACKMEMBER(int, pfnSUPCallVMMR0Ex,(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg)); /** * Registers a USB HUB. * * @returns VBox status code. * @param pDrvIns The driver instance. * @param fVersions Indicates the kinds of USB devices that can be attached to this HUB. * @param cPorts The number of ports. * @param pUsbHubReg The hub callback structure that PDMUsb uses to interact with it. * @param ppUsbHubHlp The helper callback structure that the hub uses to talk to PDMUsb. * * @thread EMT. */ DECLR3CALLBACKMEMBER(int, pfnUSBRegisterHub,(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp)); /** * Creates a PDM thread. * * This differs from the RTThreadCreate() API in that PDM takes care of suspending, * resuming, and destroying the thread as the VM state changes. * * @returns VBox status code. * @param pDrvIns The driver instance. * @param ppThread Where to store the thread 'handle'. * @param pvUser The user argument to the thread function. * @param pfnThread The thread function. * @param pfnWakeup The wakup callback. This is called on the EMT thread when * a state change is pending. * @param cbStack See RTThreadCreate. * @param enmType See RTThreadCreate. * @param pszName See RTThreadCreate. */ DECLR3CALLBACKMEMBER(int, pfnPDMThreadCreate,(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread, PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName)); /** * Gets the VM state. * * @returns VM state. * @param pDrvIns The driver instance. * @thread Any thread (just keep in mind that it's volatile info). */ DECLR3CALLBACKMEMBER(VMSTATE, pfnVMState, (PPDMDRVINS pDrvIns)); #ifdef VBOX_WITH_PDM_ASYNC_COMPLETION /** * Creates a async completion template for a driver instance. * * The template is used when creating new completion tasks. * * @returns VBox status code. * @param pDrvIns The driver instance. * @param ppTemplate Where to store the template pointer on success. * @param pfnCompleted The completion callback routine. * @param pszDesc Description. */ DECLR3CALLBACKMEMBER(int, pfnPDMAsyncCompletionTemplateCreate,(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate, PFNPDMASYNCCOMPLETEDRV pfnCompleted, const char *pszDesc)); #endif /** Just a safety precaution. */ uint32_t u32TheEnd; } PDMDRVHLP; /** Pointer PDM Driver API. */ typedef PDMDRVHLP *PPDMDRVHLP; /** Pointer const PDM Driver API. */ typedef const PDMDRVHLP *PCPDMDRVHLP; /** Current DRVHLP version number. */ #define PDM_DRVHLP_VERSION 0x90020001 /** * PDM Driver Instance. */ typedef struct PDMDRVINS { /** Structure version. PDM_DRVINS_VERSION defines the current version. */ uint32_t u32Version; /** Internal data. */ union { #ifdef PDMDRVINSINT_DECLARED PDMDRVINSINT s; #endif uint8_t padding[HC_ARCH_BITS == 32 ? 32 : 64]; } Internal; /** Pointer the PDM Driver API. */ R3PTRTYPE(PCPDMDRVHLP) pDrvHlp; /** Pointer to driver registration structure. */ R3PTRTYPE(PCPDMDRVREG) pDrvReg; /** Configuration handle. */ R3PTRTYPE(PCFGMNODE) pCfgHandle; /** Driver instance number. */ RTUINT iInstance; /** Pointer to the base interface of the device/driver instance above. */ R3PTRTYPE(PPDMIBASE) pUpBase; /** Pointer to the base interface of the driver instance below. */ R3PTRTYPE(PPDMIBASE) pDownBase; /** The base interface of the driver. * The driver constructor initializes this. */ PDMIBASE IBase; /* padding to make achInstanceData aligned at 16 byte boundrary. */ uint32_t au32Padding[HC_ARCH_BITS == 32 ? 3 : 1]; /** Pointer to driver instance data. */ R3PTRTYPE(void *) pvInstanceData; /** Driver instance data. The size of this area is defined * in the PDMDRVREG::cbInstanceData field. */ char achInstanceData[4]; } PDMDRVINS; /** Current DRVREG version number. */ #define PDM_DRVINS_VERSION 0xa0010000 /** Converts a pointer to the PDMDRVINS::IBase to a pointer to PDMDRVINS. */ #define PDMIBASE_2_PDMDRV(pInterface) ( (PPDMDRVINS)((char *)(pInterface) - RT_OFFSETOF(PDMDRVINS, IBase)) ) /** * @copydoc PDMDRVHLP::pfnVMSetError */ DECLINLINE(int) PDMDrvHlpVMSetError(PPDMDRVINS pDrvIns, const int rc, RT_SRC_POS_DECL, const char *pszFormat, ...) { va_list va; va_start(va, pszFormat); pDrvIns->pDrvHlp->pfnVMSetErrorV(pDrvIns, rc, RT_SRC_POS_ARGS, pszFormat, va); va_end(va); return rc; } /** @def PDMDRV_SET_ERROR * Set the VM error. See PDMDrvHlpVMSetError() for printf like message formatting. */ #define PDMDRV_SET_ERROR(pDrvIns, rc, pszError) \ PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, "%s", pszError) /** * @copydoc PDMDRVHLP::pfnVMSetRuntimeError */ DECLINLINE(int) PDMDrvHlpVMSetRuntimeError(PPDMDRVINS pDrvIns, bool fFatal, const char *pszErrorID, const char *pszFormat, ...) { va_list va; int rc; va_start(va, pszFormat); rc = pDrvIns->pDrvHlp->pfnVMSetRuntimeErrorV(pDrvIns, fFatal, pszErrorID, pszFormat, va); va_end(va); return rc; } /** @def PDMDRV_SET_RUNTIME_ERROR * Set the VM runtime error. See PDMDrvHlpVMSetRuntimeError() for printf like message formatting. */ #define PDMDRV_SET_RUNTIME_ERROR(pDrvIns, fFatal, pszErrorID, pszError) \ PDMDrvHlpVMSetRuntimeError(pDrvIns, fFatal, pszErrorID, "%s", pszError) #endif /* IN_RING3 */ /** @def PDMDRV_ASSERT_EMT * Assert that the current thread is the emulation thread. */ #ifdef VBOX_STRICT # define PDMDRV_ASSERT_EMT(pDrvIns) pDrvIns->pDrvHlp->pfnAssertEMT(pDrvIns, __FILE__, __LINE__, __FUNCTION__) #else # define PDMDRV_ASSERT_EMT(pDrvIns) do { } while (0) #endif /** @def PDMDRV_ASSERT_OTHER * Assert that the current thread is NOT the emulation thread. */ #ifdef VBOX_STRICT # define PDMDRV_ASSERT_OTHER(pDrvIns) pDrvIns->pDrvHlp->pfnAssertOther(pDrvIns, __FILE__, __LINE__, __FUNCTION__) #else # define PDMDRV_ASSERT_OTHER(pDrvIns) do { } while (0) #endif #ifdef IN_RING3 /** * @copydoc PDMDRVHLP::pfnSTAMRegister */ DECLINLINE(void) PDMDrvHlpSTAMRegister(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, const char *pszName, STAMUNIT enmUnit, const char *pszDesc) { pDrvIns->pDrvHlp->pfnSTAMRegister(pDrvIns, pvSample, enmType, pszName, enmUnit, pszDesc); } /** * @copydoc PDMDRVHLP::pfnSTAMRegisterF */ DECLINLINE(void) PDMDrvHlpSTAMRegisterF(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit, const char *pszDesc, const char *pszName, ...) { va_list va; va_start(va, pszName); pDrvIns->pDrvHlp->pfnSTAMRegisterV(pDrvIns, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, va); va_end(va); } /** * @copydoc PDMDRVHLP::pfnUSBRegisterHub */ DECLINLINE(int) PDMDrvHlpUSBRegisterHub(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp) { return pDrvIns->pDrvHlp->pfnUSBRegisterHub(pDrvIns, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp); } /** * @copydoc PDMDRVHLP::pfnPDMThreadCreate */ DECLINLINE(int) PDMDrvHlpPDMThreadCreate(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread, PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName) { return pDrvIns->pDrvHlp->pfnPDMThreadCreate(pDrvIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName); } /** * @copydoc PDMDRVHLP::pfnVMState */ DECLINLINE(VMSTATE) PDMDrvHlpVMState(PPDMDRVINS pDrvIns) { return pDrvIns->pDrvHlp->pfnVMState(pDrvIns); } #ifdef VBOX_WITH_PDM_ASYNC_COMPLETION /** * @copydoc PDMDRVHLP::pfnPDMAsyncCompletionTemplateCreate */ DECLINLINE(int) PDMDrvHlpPDMAsyncCompletionTemplateCreate(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate, PFNPDMASYNCCOMPLETEDRV pfnCompleted, const char *pszDesc) { return pDrvIns->pDrvHlp->pfnPDMAsyncCompletionTemplateCreate(pDrvIns, ppTemplate, pfnCompleted, pszDesc); } #endif #endif /* IN_RING3 */ /** Pointer to callbacks provided to the VBoxDriverRegister() call. */ typedef struct PDMDRVREGCB *PPDMDRVREGCB; /** Pointer to const callbacks provided to the VBoxDriverRegister() call. */ typedef const struct PDMDRVREGCB *PCPDMDRVREGCB; /** * Callbacks for VBoxDriverRegister(). */ typedef struct PDMDRVREGCB { /** Interface version. * This is set to PDM_DRVREG_CB_VERSION. */ uint32_t u32Version; /** * Registers a driver with the current VM instance. * * @returns VBox status code. * @param pCallbacks Pointer to the callback table. * @param pDrvReg Pointer to the driver registration record. * This data must be permanent and readonly. */ DECLR3CALLBACKMEMBER(int, pfnRegister,(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pDrvReg)); } PDMDRVREGCB; /** Current version of the PDMDRVREGCB structure. */ #define PDM_DRVREG_CB_VERSION 0xb0010000 /** * The VBoxDriverRegister callback function. * * PDM will invoke this function after loading a driver module and letting * the module decide which drivers to register and how to handle conflicts. * * @returns VBox status code. * @param pCallbacks Pointer to the callback table. * @param u32Version VBox version number. */ typedef DECLCALLBACK(int) FNPDMVBOXDRIVERSREGISTER(PCPDMDRVREGCB pCallbacks, uint32_t u32Version); /** * Register external drivers * * @returns VBox status code. * @param pVM The VM to operate on. * @param pfnCallback Driver registration callback */ PDMR3DECL(int) PDMR3RegisterDrivers(PVM pVM, FNPDMVBOXDRIVERSREGISTER pfnCallback); /** @} */ __END_DECLS #endif