Miniport/wddm/VBoxVideoVdma.cpp

	VBoxVideoVdma.cpp revision 649f47eb2c9c03f3dc7fb88991f8fd36de9f4b44
d46ee884c41b808b239563b1978468aae12e33a2vboxsync/*
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync * Copyright (C) 2010 Sun Microsystems, Inc.
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync *
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync * available from http://www.virtualbox.org. This file is free software;
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync * you can redistribute it and/or modify it under the terms of the GNU
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync * General Public License (GPL) as published by the Free Software
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync *
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync * additional information or have any questions.
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync */
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync
d46ee884c41b808b239563b1978468aae12e33a2vboxsync#include "../VBoxVideo.h"
d46ee884c41b808b239563b1978468aae12e33a2vboxsync#include "../Helper.h"
d46ee884c41b808b239563b1978468aae12e33a2vboxsync
56343f236d9d7c0e3d2b75e23f0f5575dc77f2e3vboxsync#include <VBox/VBoxGuestLib.h>
d46ee884c41b808b239563b1978468aae12e33a2vboxsync#include <VBox/VBoxVideo.h>
d46ee884c41b808b239563b1978468aae12e33a2vboxsync#include "VBoxVideoVdma.h"
d46ee884c41b808b239563b1978468aae12e33a2vboxsync#include "../VBoxVideo.h"
d46ee884c41b808b239563b1978468aae12e33a2vboxsync
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync/*
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * This is currently used by VDMA. It is invisible for Vdma API clients since
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * Vdma transport may change if we choose to use another (e.g. more light-weight)
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * transport for DMA commands submission
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync */
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsyncstatic int vboxVdmaInformHost (PDEVICE_EXTENSION pDevExt, PVBOXVDMAINFO pInfo, VBOXVDMA_CTL_TYPE enmCtl)
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync{
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync    int rc = VINF_SUCCESS;
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync    PVBOXVDMA_CTL pCmd = (PVBOXVDMA_CTL)VBoxSHGSMICommandAlloc (&pDevExt->u.primary.hgsmiAdapterHeap, sizeof (VBOXVDMA_CTL), HGSMI_CH_VBVA, VBVA_VDMA_CTL);
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync    if (pCmd)
d46ee884c41b808b239563b1978468aae12e33a2vboxsync    {
d46ee884c41b808b239563b1978468aae12e33a2vboxsync        pCmd->enmCtl = enmCtl;
d46ee884c41b808b239563b1978468aae12e33a2vboxsync        pCmd->u32Offset = pInfo->CmdHeap.area.offBase;
d46ee884c41b808b239563b1978468aae12e33a2vboxsync        pCmd->i32Result = VERR_NOT_SUPPORTED;
d46ee884c41b808b239563b1978468aae12e33a2vboxsync
d46ee884c41b808b239563b1978468aae12e33a2vboxsync        VBoxSHGSMICommandSubmitSynch (&pDevExt->u.primary.hgsmiAdapterHeap, pCmd);
3b70c9ab3cea93ab1a771d2db319311282041382vboxsync
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        rc = pCmd->i32Result;
d46ee884c41b808b239563b1978468aae12e33a2vboxsync        AssertRC(rc);
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        VBoxSHGSMICommandFree (&pDevExt->u.primary.hgsmiAdapterHeap, pCmd);
d46ee884c41b808b239563b1978468aae12e33a2vboxsync    }
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    else
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    {
2a229554eb081e98411c81dcdef146c35a000f80vboxsync        drprintf((__FUNCTION__": HGSMIHeapAlloc failed\n"));
635fe52d5adf7b894207be82370e49e1fae64af0vboxsync        rc = VERR_OUT_OF_RESOURCES;
635fe52d5adf7b894207be82370e49e1fae64af0vboxsync    }
635fe52d5adf7b894207be82370e49e1fae64af0vboxsync
635fe52d5adf7b894207be82370e49e1fae64af0vboxsync    return rc;
635fe52d5adf7b894207be82370e49e1fae64af0vboxsync}
635fe52d5adf7b894207be82370e49e1fae64af0vboxsync
635fe52d5adf7b894207be82370e49e1fae64af0vboxsync/* create a DMACommand buffer */
635fe52d5adf7b894207be82370e49e1fae64af0vboxsyncint vboxVdmaCreate (PDEVICE_EXTENSION pDevExt, VBOXVDMAINFO *pInfo, ULONG offBuffer, ULONG cbBuffer)
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync{
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    Assert((offBuffer & 0xfff) == 0);
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    Assert((cbBuffer & 0xfff) == 0);
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    Assert(offBuffer);
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync    Assert(cbBuffer);
d46ee884c41b808b239563b1978468aae12e33a2vboxsync
d46ee884c41b808b239563b1978468aae12e33a2vboxsync    if((offBuffer & 0xfff)
d46ee884c41b808b239563b1978468aae12e33a2vboxsync            || (cbBuffer & 0xfff)
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync            || !offBuffer
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync            || !cbBuffer)
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    {
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        drprintf((__FUNCTION__": invalid parameters: offBuffer(0x%x), cbBuffer(0x%x)", offBuffer, cbBuffer));
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        return VERR_INVALID_PARAMETER;
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    }
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync    pInfo->fEnabled           = FALSE;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    PVOID pvBuffer;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    int rc = VBoxMapAdapterMemory (pDevExt,
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync                                   &pvBuffer,
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync                                   offBuffer,
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync                                   cbBuffer);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    Assert(RT_SUCCESS(rc));
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    if (RT_SUCCESS(rc))
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    {
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        /* Setup a HGSMI heap within the adapter information area. */
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        rc = HGSMIHeapSetup (&pInfo->CmdHeap,
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync                             pvBuffer,
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync                             cbBuffer,
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync                             offBuffer,
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync                             false /*fOffsetBased*/);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        Assert(RT_SUCCESS(rc));
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        if(RT_SUCCESS(rc))
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync            return rc;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        else
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync            drprintf((__FUNCTION__": HGSMIHeapSetup failed rc = 0x%x\n", rc));
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        VBoxUnmapAdapterMemory(pDevExt, &pvBuffer, cbBuffer);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    }
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    else
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        drprintf((__FUNCTION__": VBoxMapAdapterMemory failed rc = 0x%x\n", rc));
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    return rc;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync}
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsyncint vboxVdmaDisable (PDEVICE_EXTENSION pDevExt, PVBOXVDMAINFO pInfo)
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync{
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    dfprintf((__FUNCTION__"\n"));
64836f6a22eea42b83b0ec64abcb3aa7ccc27f25vboxsync
01b2e367e947049139a5d5813ccc1fa162b11f76vboxsync    Assert(pInfo->fEnabled);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    if (!pInfo->fEnabled)
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        return VINF_ALREADY_INITIALIZED;
71e8510a26b72d539cf6d7d7157bd87a53de8cf4vboxsync
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    /* ensure nothing else is submitted */
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync    pInfo->fEnabled        = FALSE;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    int rc = vboxVdmaInformHost (pDevExt, pInfo, VBOXVDMA_CTL_TYPE_DISABLE);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    AssertRC(rc);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    return rc;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync}
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsyncint vboxVdmaEnable (PDEVICE_EXTENSION pDevExt, PVBOXVDMAINFO pInfo)
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync{
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    dfprintf((__FUNCTION__"\n"));
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
6063286f0f0d78e627c9ef48073f5753da93ba10vboxsync    Assert(!pInfo->fEnabled);
6063286f0f0d78e627c9ef48073f5753da93ba10vboxsync    if (pInfo->fEnabled)
6063286f0f0d78e627c9ef48073f5753da93ba10vboxsync        return VINF_ALREADY_INITIALIZED;
6063286f0f0d78e627c9ef48073f5753da93ba10vboxsync
6063286f0f0d78e627c9ef48073f5753da93ba10vboxsync    int rc = vboxVdmaInformHost (pDevExt, pInfo, VBOXVDMA_CTL_TYPE_ENABLE);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    Assert(RT_SUCCESS(rc));
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    if (RT_SUCCESS(rc))
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        pInfo->fEnabled        = TRUE;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    return rc;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync}
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
64836f6a22eea42b83b0ec64abcb3aa7ccc27f25vboxsyncint vboxVdmaFlush (PDEVICE_EXTENSION pDevExt, PVBOXVDMAINFO pInfo)
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync{
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    dfprintf((__FUNCTION__"\n"));
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    Assert(pInfo->fEnabled);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    if (!pInfo->fEnabled)
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        return VINF_ALREADY_INITIALIZED;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    int rc = vboxVdmaInformHost (pDevExt, pInfo, VBOXVDMA_CTL_TYPE_FLUSH);
b099c6398b85f527d7343cb1da573e1e95f9fd10vboxsync    Assert(RT_SUCCESS(rc));
b099c6398b85f527d7343cb1da573e1e95f9fd10vboxsync
b099c6398b85f527d7343cb1da573e1e95f9fd10vboxsync    return rc;
b099c6398b85f527d7343cb1da573e1e95f9fd10vboxsync}
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsyncint vboxVdmaDestroy (PDEVICE_EXTENSION pDevExt, PVBOXVDMAINFO pInfo)
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync{
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    int rc = VINF_SUCCESS;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    Assert(!pInfo->fEnabled);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    if (pInfo->fEnabled)
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync        rc = vboxVdmaDisable (pDevExt, pInfo);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    VBoxUnmapAdapterMemory (pDevExt, (void**)&pInfo->CmdHeap.area.pu8Base, pInfo->CmdHeap.area.cbArea);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    return rc;
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync}
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsyncvoid vboxVdmaCBufDrFree (PVBOXVDMAINFO pInfo, PVBOXVDMACBUF_DR pDr)
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync{
c09430453634ebc72695a69d12366a8fb57132e3vboxsync    VBoxSHGSMICommandFree (&pInfo->CmdHeap, pDr);
71626c00d9eb0b73ed7254794a6dfb000f4bb65cvboxsync}
c09430453634ebc72695a69d12366a8fb57132e3vboxsync
e4e800c40799670522fcc976b0e07345cf459297vboxsyncPVBOXVDMACBUF_DR vboxVdmaCBufDrCreate (PVBOXVDMAINFO pInfo, uint32_t cbTrailingData)
e4e800c40799670522fcc976b0e07345cf459297vboxsync{
e4e800c40799670522fcc976b0e07345cf459297vboxsync    uint32_t cbDr = sizeof (VBOXVDMACBUF_DR) + cbTrailingData;
e4e800c40799670522fcc976b0e07345cf459297vboxsync    PVBOXVDMACBUF_DR pDr = (PVBOXVDMACBUF_DR)VBoxSHGSMICommandAlloc (&pInfo->CmdHeap, cbDr, HGSMI_CH_VBVA, VBVA_VDMA_CMD);
e4e800c40799670522fcc976b0e07345cf459297vboxsync    Assert(pDr);
e4e800c40799670522fcc976b0e07345cf459297vboxsync    if (pDr)
e4e800c40799670522fcc976b0e07345cf459297vboxsync        memset (pDr, 0, cbDr);
e4e800c40799670522fcc976b0e07345cf459297vboxsync    else
e4e800c40799670522fcc976b0e07345cf459297vboxsync        drprintf((__FUNCTION__": VBoxSHGSMICommandAlloc returned NULL\n"));
e4e800c40799670522fcc976b0e07345cf459297vboxsync
e4e800c40799670522fcc976b0e07345cf459297vboxsync    return pDr;
e4e800c40799670522fcc976b0e07345cf459297vboxsync}
e4e800c40799670522fcc976b0e07345cf459297vboxsync
e4e800c40799670522fcc976b0e07345cf459297vboxsyncstatic DECLCALLBACK(void) vboxVdmaCBufDrCompletion(struct _HGSMIHEAP * pHeap, void *pvCmd, void *pvContext)
e4e800c40799670522fcc976b0e07345cf459297vboxsync{
e4e800c40799670522fcc976b0e07345cf459297vboxsync    PDEVICE_EXTENSION pDevExt = (PDEVICE_EXTENSION)pvContext;
e4e800c40799670522fcc976b0e07345cf459297vboxsync    PVBOXVDMAINFO pInfo = &pDevExt->u.primary.Vdma;
e4e800c40799670522fcc976b0e07345cf459297vboxsync
e4e800c40799670522fcc976b0e07345cf459297vboxsync    vboxVdmaCBufDrFree (pInfo, (PVBOXVDMACBUF_DR)pvCmd);
e4e800c40799670522fcc976b0e07345cf459297vboxsync}
e4e800c40799670522fcc976b0e07345cf459297vboxsync
e4e800c40799670522fcc976b0e07345cf459297vboxsyncstatic DECLCALLBACK(void) vboxVdmaCBufDrCompletionIrq(struct _HGSMIHEAP * pHeap, void *pvCmd, void *pvContext,
e4e800c40799670522fcc976b0e07345cf459297vboxsync                                        PFNVBOXSHGSMICMDCOMPLETION *ppfnCompletion, void **ppvCompletion)
e4e800c40799670522fcc976b0e07345cf459297vboxsync{
e4e800c40799670522fcc976b0e07345cf459297vboxsync    PDEVICE_EXTENSION pDevExt = (PDEVICE_EXTENSION)pvContext;
e4e800c40799670522fcc976b0e07345cf459297vboxsync    PVBOXVDMAINFO pVdma = &pDevExt->u.primary.Vdma;
e4e800c40799670522fcc976b0e07345cf459297vboxsync    DXGKARGCB_NOTIFY_INTERRUPT_DATA notify;
c09430453634ebc72695a69d12366a8fb57132e3vboxsync    PVBOXVDMACBUF_DR pDr = (PVBOXVDMACBUF_DR)pvCmd;
689351c3b85a73743a522136a28262299e30b7fdvboxsync
689351c3b85a73743a522136a28262299e30b7fdvboxsync    memset(&notify, 0, sizeof(DXGKARGCB_NOTIFY_INTERRUPT_DATA));
689351c3b85a73743a522136a28262299e30b7fdvboxsync
689351c3b85a73743a522136a28262299e30b7fdvboxsync    PVBOXWDDM_CONTEXT pContext = (PVBOXWDDM_CONTEXT)pDr->u64GuestContext;
689351c3b85a73743a522136a28262299e30b7fdvboxsync
689351c3b85a73743a522136a28262299e30b7fdvboxsync    if (RT_SUCCESS(pDr->rc))
689351c3b85a73743a522136a28262299e30b7fdvboxsync    {
689351c3b85a73743a522136a28262299e30b7fdvboxsync        notify.InterruptType = DXGK_INTERRUPT_DMA_COMPLETED;
689351c3b85a73743a522136a28262299e30b7fdvboxsync        notify.DmaCompleted.SubmissionFenceId = pDr->u32FenceId;
4b9a9888c020ed3508c8ac3a5b47842d6aa3f8d2vboxsync        if (pContext)
689351c3b85a73743a522136a28262299e30b7fdvboxsync        {
689351c3b85a73743a522136a28262299e30b7fdvboxsync            notify.DmaCompleted.NodeOrdinal = pContext->NodeOrdinal;
689351c3b85a73743a522136a28262299e30b7fdvboxsync            notify.DmaCompleted.EngineOrdinal = 0;
689351c3b85a73743a522136a28262299e30b7fdvboxsync            pContext->uLastCompletedCmdFenceId = pDr->u32FenceId;
689351c3b85a73743a522136a28262299e30b7fdvboxsync        }
689351c3b85a73743a522136a28262299e30b7fdvboxsync        else
689351c3b85a73743a522136a28262299e30b7fdvboxsync            pVdma->uLastCompletedPagingBufferCmdFenceId = pDr->u32FenceId;
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        pDevExt->bSetNotifyDxDpc = TRUE;
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    }
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    else if (pDr->rc == VERR_INTERRUPTED)
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    {
358a99c385080f7f31166943f3ac3a2aea6b5263vboxsync        notify.InterruptType = DXGK_INTERRUPT_DMA_PREEMPTED;
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync        notify.DmaPreempted.PreemptionFenceId = pDr->u32FenceId;
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync        if (pContext)
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        {
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync            notify.DmaPreempted.LastCompletedFenceId = pContext->uLastCompletedCmdFenceId;
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync            notify.DmaPreempted.NodeOrdinal = pContext->NodeOrdinal;
8cd393943ea52545c4d063f5a94436639f0f80b6vboxsync            notify.DmaPreempted.EngineOrdinal = 0;
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        }
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        else
1d9143584d5616e94efe0ff5ce57e04708529775vboxsync            notify.DmaPreempted.LastCompletedFenceId = pVdma->uLastCompletedPagingBufferCmdFenceId;
1d9143584d5616e94efe0ff5ce57e04708529775vboxsync
1d9143584d5616e94efe0ff5ce57e04708529775vboxsync        pDevExt->bSetNotifyDxDpc = TRUE;
1d9143584d5616e94efe0ff5ce57e04708529775vboxsync    }
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    else
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync    {
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        AssertBreakpoint();
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        notify.InterruptType = DXGK_INTERRUPT_DMA_FAULTED;
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        notify.DmaFaulted.FaultedFenceId = pDr->u32FenceId;
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        notify.DmaFaulted.Status = STATUS_UNSUCCESSFUL; /* @todo: better status ? */
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync        if (pContext)
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        {
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync            notify.DmaFaulted.NodeOrdinal = pContext->NodeOrdinal;
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync            notify.DmaFaulted.EngineOrdinal = 0;
64836f6a22eea42b83b0ec64abcb3aa7ccc27f25vboxsync        }
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync        pDevExt->bSetNotifyDxDpc = TRUE;
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync    }
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    pDevExt->u.primary.DxgkInterface.DxgkCbNotifyInterrupt(pDevExt->u.primary.DxgkInterface.DeviceHandle, &notify);
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync
c09430453634ebc72695a69d12366a8fb57132e3vboxsync    /* inform SHGSMI we want to be called at DPC later */
689351c3b85a73743a522136a28262299e30b7fdvboxsync    *ppfnCompletion = vboxVdmaCBufDrCompletion;
e33247bff4fddfdba92538374bcc9e2753044a38vboxsync    *ppvCompletion = pvContext;
ec037c82be3787508e228c537bd15ad9de28bac0vboxsync}
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync
d46ee884c41b808b239563b1978468aae12e33a2vboxsyncvoid vboxVdmaCBufDrSubmit (PDEVICE_EXTENSION pDevExt, PVBOXVDMAINFO pInfo, PVBOXVDMACBUF_DR pDr)
64836f6a22eea42b83b0ec64abcb3aa7ccc27f25vboxsync{
d8523ff7d948462e328eec88b602effe2e7f7080vboxsync    VBoxSHGSMICommandSubmitAsynchIrq (&pInfo->CmdHeap, pDr, vboxVdmaCBufDrCompletionIrq, pDevExt, VBOXSHGSMI_FLAG_GH_ASYNCH_FORCE);
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync}
fe06619ae576367ff3568e6abd99fb8ad28cc73avboxsync