| 1 | /** @file
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| 2 | * PDM - Pluggable Device Manager, Queues. (VMM)
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * The contents of this file may alternatively be used under the terms
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| 17 | * of the Common Development and Distribution License Version 1.0
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| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 19 | * VirtualBox OSE distribution, in which case the provisions of the
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| 20 | * CDDL are applicable instead of those of the GPL.
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| 21 | *
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| 22 | * You may elect to license modified versions of this file under the
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| 23 | * terms and conditions of either the GPL or the CDDL or both.
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| 24 | *
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| 25 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 26 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 27 | * additional information or have any questions.
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| 28 | */
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| 29 |
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| 30 | #ifndef ___VBox_pdmqueue_h
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| 31 | #define ___VBox_pdmqueue_h
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| 32 |
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| 33 | #include <VBox/types.h>
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| 34 |
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| 35 | RT_C_DECLS_BEGIN
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| 36 |
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| 37 | /** @defgroup grp_pdm_queue The PDM Queues API
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| 38 | * @ingroup grp_pdm
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| 39 | * @{
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| 40 | */
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| 41 |
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| 42 | /** Pointer to a PDM queue. Also called PDM queue handle. */
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| 43 | typedef struct PDMQUEUE *PPDMQUEUE;
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| 44 |
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| 45 | /** Pointer to a PDM queue item core. */
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| 46 | typedef struct PDMQUEUEITEMCORE *PPDMQUEUEITEMCORE;
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| 47 |
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| 48 | /**
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| 49 | * PDM queue item core.
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| 50 | */
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| 51 | typedef struct PDMQUEUEITEMCORE
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| 52 | {
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| 53 | /** Pointer to the next item in the pending list - R3 Pointer. */
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| 54 | R3PTRTYPE(PPDMQUEUEITEMCORE) pNextR3;
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| 55 | /** Pointer to the next item in the pending list - R0 Pointer. */
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| 56 | R0PTRTYPE(PPDMQUEUEITEMCORE) pNextR0;
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| 57 | /** Pointer to the next item in the pending list - RC Pointer. */
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| 58 | RCPTRTYPE(PPDMQUEUEITEMCORE) pNextRC;
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| 59 | #if HC_ARCH_BITS == 64
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| 60 | RTRCPTR Alignment0;
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| 61 | #endif
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| 62 | } PDMQUEUEITEMCORE;
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| 63 |
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| 64 |
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| 65 | /**
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| 66 | * Queue consumer callback for devices.
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| 67 | *
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| 68 | * @returns Success indicator.
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| 69 | * If false the item will not be removed and the flushing will stop.
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| 70 | * @param pDevIns The device instance.
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| 71 | * @param pItem The item to consume. Upon return this item will be freed.
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| 72 | */
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| 73 | typedef DECLCALLBACK(bool) FNPDMQUEUEDEV(PPDMDEVINS pDevIns, PPDMQUEUEITEMCORE pItem);
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| 74 | /** Pointer to a FNPDMQUEUEDEV(). */
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| 75 | typedef FNPDMQUEUEDEV *PFNPDMQUEUEDEV;
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| 76 |
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| 77 | /**
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| 78 | * Queue consumer callback for USB devices.
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| 79 | *
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| 80 | * @returns Success indicator.
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| 81 | * If false the item will not be removed and the flushing will stop.
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| 82 | * @param pDevIns The USB device instance.
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| 83 | * @param pItem The item to consume. Upon return this item will be freed.
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| 84 | */
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| 85 | typedef DECLCALLBACK(bool) FNPDMQUEUEUSB(PPDMUSBINS pUsbIns, PPDMQUEUEITEMCORE pItem);
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| 86 | /** Pointer to a FNPDMQUEUEUSB(). */
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| 87 | typedef FNPDMQUEUEUSB *PFNPDMQUEUEUSB;
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| 88 |
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| 89 | /**
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| 90 | * Queue consumer callback for drivers.
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| 91 | *
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| 92 | * @returns Success indicator.
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| 93 | * If false the item will not be removed and the flushing will stop.
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| 94 | * @param pDrvIns The driver instance.
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| 95 | * @param pItem The item to consume. Upon return this item will be freed.
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| 96 | */
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| 97 | typedef DECLCALLBACK(bool) FNPDMQUEUEDRV(PPDMDRVINS pDrvIns, PPDMQUEUEITEMCORE pItem);
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| 98 | /** Pointer to a FNPDMQUEUEDRV(). */
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| 99 | typedef FNPDMQUEUEDRV *PFNPDMQUEUEDRV;
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| 100 |
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| 101 | /**
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| 102 | * Queue consumer callback for internal component.
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| 103 | *
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| 104 | * @returns Success indicator.
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| 105 | * If false the item will not be removed and the flushing will stop.
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| 106 | * @param pVM The VM handle.
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| 107 | * @param pItem The item to consume. Upon return this item will be freed.
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| 108 | */
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| 109 | typedef DECLCALLBACK(bool) FNPDMQUEUEINT(PVM pVM, PPDMQUEUEITEMCORE pItem);
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| 110 | /** Pointer to a FNPDMQUEUEINT(). */
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| 111 | typedef FNPDMQUEUEINT *PFNPDMQUEUEINT;
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| 112 |
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| 113 | /**
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| 114 | * Queue consumer callback for external component.
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| 115 | *
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| 116 | * @returns Success indicator.
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| 117 | * If false the item will not be removed and the flushing will stop.
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| 118 | * @param pvUser User argument.
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| 119 | * @param pItem The item to consume. Upon return this item will be freed.
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| 120 | */
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| 121 | typedef DECLCALLBACK(bool) FNPDMQUEUEEXT(void *pvUser, PPDMQUEUEITEMCORE pItem);
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| 122 | /** Pointer to a FNPDMQUEUEEXT(). */
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| 123 | typedef FNPDMQUEUEEXT *PFNPDMQUEUEEXT;
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| 124 |
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| 125 | VMMR3DECL(int) PDMR3QueueCreateDevice(PVM pVM, PPDMDEVINS pDevIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
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| 126 | PFNPDMQUEUEDEV pfnCallback, bool fGCEnabled, const char *pszName, PPDMQUEUE *ppQueue);
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| 127 | VMMR3DECL(int) PDMR3QueueCreateDriver(PVM pVM, PPDMDRVINS pDrvIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
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| 128 | PFNPDMQUEUEDRV pfnCallback, const char *pszName, PPDMQUEUE *ppQueue);
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| 129 | VMMR3DECL(int) PDMR3QueueCreateInternal(PVM pVM, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
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| 130 | PFNPDMQUEUEINT pfnCallback, bool fGCEnabled, const char *pszName, PPDMQUEUE *ppQueue);
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| 131 | VMMR3DECL(int) PDMR3QueueCreateExternal(PVM pVM, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
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| 132 | PFNPDMQUEUEEXT pfnCallback, void *pvUser, const char *pszName, PPDMQUEUE *ppQueue);
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| 133 | VMMR3DECL(int) PDMR3QueueDestroy(PPDMQUEUE pQueue);
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| 134 | VMMR3DECL(int) PDMR3QueueDestroyDevice(PVM pVM, PPDMDEVINS pDevIns);
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| 135 | VMMR3DECL(int) PDMR3QueueDestroyDriver(PVM pVM, PPDMDRVINS pDrvIns);
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| 136 | VMMR3DECL(void) PDMR3QueueFlushAll(PVM pVM);
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| 137 | VMMR3DECL(void) PDMR3QueueFlushWorker(PVM pVM, PPDMQUEUE pQueue);
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| 138 |
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| 139 | VMMDECL(void) PDMQueueFlush(PPDMQUEUE pQueue);
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| 140 | VMMDECL(PPDMQUEUEITEMCORE) PDMQueueAlloc(PPDMQUEUE pQueue);
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| 141 | VMMDECL(void) PDMQueueInsert(PPDMQUEUE pQueue, PPDMQUEUEITEMCORE pItem);
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| 142 | VMMDECL(void) PDMQueueInsertEx(PPDMQUEUE pQueue, PPDMQUEUEITEMCORE pItem, uint64_t NanoMaxDelay);
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| 143 | VMMDECL(RCPTRTYPE(PPDMQUEUE)) PDMQueueRCPtr(PPDMQUEUE pQueue);
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| 144 | VMMDECL(R0PTRTYPE(PPDMQUEUE)) PDMQueueR0Ptr(PPDMQUEUE pQueue);
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| 145 |
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| 146 | /** @} */
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| 147 |
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| 148 | RT_C_DECLS_END
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| 149 |
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| 150 | #endif
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| 151 |
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