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/* $Id: tstDeviceR0.cpp $ */
/** @file
* tstDevice - Test framework for PDM devices/drivers
*/
/*
* Copyright (C) 2017-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP LOG_GROUP_DEFAULT /** @todo */
#undef IN_RING3
#undef IN_SUP_R3
//#undef CTX_SUFF
//#undef R0PTRTYPE
//#undef R3PTRTYPE
#define IN_RING0
#define IN_SUP_R0
#define LINUX_VERSION_CODE 0
#define KERNEL_VERSION(a,b,c) 1
//#define CTX_SUFF(a_Name) a_Name##R0
//#define R3PTRTYPE(a_R3Type) RTHCUINTPTR
//#define R0PTRTYPE(a_R0Type) a_R0Type
#include <VBox/types.h>
#include <VBox/sup.h>
#include <VBox/version.h>
#include <iprt/assert.h>
#include <iprt/getopt.h>
#include <iprt/log.h>
#include <iprt/list.h>
#include <iprt/mem.h>
#include "tstDeviceInternal.h"
#include "tstDeviceCfg.h"
#include "tstDeviceBuiltin.h"
/**
* Create a new PDM device with default config.
*
* @returns VBox status code.
* @param pszName Name of the device to create.
* @param fRCEnabled Flag whether RC support should be enabled for this device.
* @param pDut The device under test structure the created PDM device instance is exercised under.
*/
DECLHIDDEN(int) tstDevPdmDevR0R3Create(const char *pszName, bool fRCEnabled, PTSTDEVDUTINT pDut)
{
int rc = VINF_SUCCESS;
PCPDMDEVREGR0 pPdmDevR0 = NULL;
PCTSTDEVPDMDEV pPdmDev = tstDevPdmDeviceFind(pszName, &pPdmDevR0);
if (RT_LIKELY(pPdmDev))
{
uint32_t const cbRing0 = RT_ALIGN_32(RT_UOFFSETOF(PDMDEVINSR0, achInstanceData) + pPdmDevR0->cbInstanceCC,
HOST_PAGE_SIZE);
uint32_t const cbRing3 = RT_ALIGN_32(RT_UOFFSETOF(PDMDEVINSR3, achInstanceData) + pPdmDev->pReg->cbInstanceCC,
fRCEnabled ? HOST_PAGE_SIZE : 64);
uint32_t const cbRC = fRCEnabled ? 0
: RT_ALIGN_32(RT_UOFFSETOF(PDMDEVINSRC, achInstanceData) + pPdmDevR0->cbInstanceRC, 64);
uint32_t const cbShared = RT_ALIGN_32(pPdmDev->pReg->cbInstanceShared, 64);
uint32_t const cbCritSect = RT_ALIGN_32(sizeof(PDMCRITSECT), 64);
uint32_t const cbMsixState = RT_ALIGN_32(pPdmDev->pReg->cMaxMsixVectors * 16 + (pPdmDev->pReg->cMaxMsixVectors + 7) / 8, _4K);
uint32_t const cbPciDev = RT_ALIGN_32(RT_UOFFSETOF_DYN(PDMPCIDEV, abMsixState[cbMsixState]), 64);
uint32_t const cPciDevs = RT_MIN(pPdmDev->pReg->cMaxPciDevices, 8);
uint32_t const cbPciDevs = cbPciDev * cPciDevs;
uint32_t const cbTotal = RT_ALIGN_32(cbRing0 + cbRing3 + cbRC + cbShared + cbCritSect + cbPciDevs, HOST_PAGE_SIZE);
AssertLogRelMsgReturn(cbTotal <= PDM_MAX_DEVICE_INSTANCE_SIZE,
("Instance of '%s' is too big: cbTotal=%u, max %u\n",
pPdmDev->pReg->szName, cbTotal, PDM_MAX_DEVICE_INSTANCE_SIZE),
VERR_OUT_OF_RANGE);
PPDMDEVINSR0 pDevInsR0 = (PPDMDEVINSR0)RTMemAllocZ(cbTotal);
PDMDEVINSR3 *pDevInsR3 = (PDMDEVINSR3 *)(((uint8_t *)pDevInsR0 + cbRing0));
pDevInsR0->u32Version = PDM_DEVINSR0_VERSION;
pDevInsR0->iInstance = 0;
pDevInsR0->pHlpR0 = &g_tstDevPdmDevHlpR0;
pDevInsR0->Internal.s.pDut = pDut;
pDevInsR0->pvInstanceDataR0 = (uint8_t *)pDevInsR0 + cbRing0 + cbRing3 + cbRC;
pDevInsR0->pvInstanceDataForR0 = &pDevInsR0->achInstanceData[0];
pDevInsR0->pCritSectRoR0 = (PPDMCRITSECT)((uint8_t *)pDevInsR0->pvInstanceDataR0 + cbShared);
pDevInsR0->pReg = pPdmDevR0;
pDevInsR0->pDevInsForR3 = (RTHCUINTPTR)pDevInsR3;
pDevInsR0->pDevInsForR3R0 = pDevInsR3;
pDevInsR0->pvInstanceDataForR3R0 = &pDevInsR3->achInstanceData[0];
pDevInsR0->cbPciDev = cbPciDev;
pDevInsR0->cPciDevs = cPciDevs;
for (uint32_t iPciDev = 0; iPciDev < cPciDevs; iPciDev++)
{
/* Note! PDMDevice.cpp has a copy of this code. Keep in sync. */
PPDMPCIDEV pPciDev = (PPDMPCIDEV)((uint8_t *)pDevInsR0->pCritSectRoR0 + cbCritSect + cbPciDev * iPciDev);
if (iPciDev < RT_ELEMENTS(pDevInsR0->apPciDevs))
pDevInsR0->apPciDevs[iPciDev] = pPciDev;
pPciDev->cbConfig = _4K;
pPciDev->cbMsixState = cbMsixState;
pPciDev->idxSubDev = (uint16_t)iPciDev;
//pPciDev->Int.s.idxSubDev = (uint16_t)iPciDev;
pPciDev->u32Magic = PDMPCIDEV_MAGIC;
}
pDevInsR3->u32Version = PDM_DEVINSR3_VERSION;
pDevInsR3->iInstance = 0;
pDevInsR3->cbRing3 = cbRing3;
pDevInsR3->fR0Enabled = true;
pDevInsR3->fRCEnabled = fRCEnabled;
pDevInsR3->pvInstanceDataR3 = pDevInsR0->pDevInsForR3 + cbRing3 + cbRC;
pDevInsR3->pvInstanceDataForR3 = pDevInsR0->pDevInsForR3 + RT_UOFFSETOF(PDMDEVINSR3, achInstanceData);
pDevInsR3->pCritSectRoR3 = pDevInsR0->pDevInsForR3 + cbRing3 + cbRC + cbShared;
pDevInsR3->pDevInsR0RemoveMe = pDevInsR0;
pDevInsR3->pvInstanceDataR0 = pDevInsR0->pvInstanceDataR0;
pDevInsR3->pvInstanceDataRC = fRCEnabled ? NIL_RTRGPTR : pDevInsR0->pDevInsForRC + RT_UOFFSETOF(PDMDEVINSRC, achInstanceData);
pDevInsR3->pDevInsForRC = pDevInsR0->pDevInsForRC;
pDevInsR3->pDevInsForRCR3 = pDevInsR0->pDevInsForR3 + cbRing3;
pDevInsR3->pDevInsForRCR3 = pDevInsR3->pDevInsForRCR3 + RT_UOFFSETOF(PDMDEVINSRC, achInstanceData);
pDevInsR3->cbPciDev = cbPciDev;
pDevInsR3->cPciDevs = cPciDevs;
for (uint32_t i = 0; i < RT_MIN(cPciDevs, RT_ELEMENTS(pDevInsR3->apPciDevs)); i++)
pDevInsR3->apPciDevs[i] = pDevInsR3->pCritSectRoR3 + cbCritSect + cbPciDev * i;
RTCritSectInit(&pDevInsR0->pCritSectRoR0->s.CritSect);
pDut->pDevIns = pDevInsR3;
pDut->pDevInsR0 = pDevInsR0;
rc = tstDevPdmDeviceR3Construct(pDut);
if (RT_SUCCESS(rc))
{
rc = pPdmDevR0->pfnConstruct(pDevInsR0);
if (RT_SUCCESS(rc))
return VINF_SUCCESS;
}
if (RT_FAILURE(rc))
{
//rc = pPdmDev->pReg->pfnDestruct(pDevIns);
RTMemFree(pDevInsR0);
}
}
else
rc = VERR_NOT_FOUND;
return rc;
}
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