pdmqueue.h revision 0b74a2f80aba476dc8be8bc1c63891fc53945986
/** @file
* PDM - Pluggable Device Manager, Queues.
*/
/*
* Copyright (C) 2006-2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* 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.
*/
#ifndef ___VBox_vmm_pdmqueue_h
#define ___VBox_vmm_pdmqueue_h
/** @defgroup grp_pdm_queue The PDM Queues API
* @ingroup grp_pdm
* @{
*/
/** Pointer to a PDM queue. Also called PDM queue handle. */
/** Pointer to a PDM queue item core. */
typedef struct PDMQUEUEITEMCORE *PPDMQUEUEITEMCORE;
/**
* PDM queue item core.
*/
typedef struct PDMQUEUEITEMCORE
{
/** Pointer to the next item in the pending list - R3 Pointer. */
/** Pointer to the next item in the pending list - R0 Pointer. */
/** Pointer to the next item in the pending list - RC Pointer. */
#if HC_ARCH_BITS == 64
#endif
/**
* Queue consumer callback for devices.
*
* @returns Success indicator.
* If false the item will not be removed and the flushing will stop.
* @param pDevIns The device instance.
* @param pItem The item to consume. Upon return this item will be freed.
*/
/** Pointer to a FNPDMQUEUEDEV(). */
typedef FNPDMQUEUEDEV *PFNPDMQUEUEDEV;
/**
* Queue consumer callback for USB devices.
*
* @returns Success indicator.
* If false the item will not be removed and the flushing will stop.
* @param pDevIns The USB device instance.
* @param pItem The item to consume. Upon return this item will be freed.
*/
/** Pointer to a FNPDMQUEUEUSB(). */
typedef FNPDMQUEUEUSB *PFNPDMQUEUEUSB;
/**
* Queue consumer callback for drivers.
*
* @returns Success indicator.
* If false the item will not be removed and the flushing will stop.
* @param pDrvIns The driver instance.
* @param pItem The item to consume. Upon return this item will be freed.
*/
/** Pointer to a FNPDMQUEUEDRV(). */
typedef FNPDMQUEUEDRV *PFNPDMQUEUEDRV;
/**
* Queue consumer callback for internal component.
*
* @returns Success indicator.
* If false the item will not be removed and the flushing will stop.
* @param pVM The VM handle.
* @param pItem The item to consume. Upon return this item will be freed.
*/
/** Pointer to a FNPDMQUEUEINT(). */
typedef FNPDMQUEUEINT *PFNPDMQUEUEINT;
/**
* Queue consumer callback for external component.
*
* @returns Success indicator.
* If false the item will not be removed and the flushing will stop.
* @param pvUser User argument.
* @param pItem The item to consume. Upon return this item will be freed.
*/
/** Pointer to a FNPDMQUEUEEXT(). */
typedef FNPDMQUEUEEXT *PFNPDMQUEUEEXT;
VMMR3DECL(int) PDMR3QueueCreateDevice(PVM pVM, PPDMDEVINS pDevIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
VMMR3DECL(int) PDMR3QueueCreateDriver(PVM pVM, PPDMDRVINS pDrvIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
VMMR3DECL(int) PDMR3QueueCreateInternal(PVM pVM, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
VMMR3DECL(int) PDMR3QueueCreateExternal(PVM pVM, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
/** @} */
#endif