diff options
Diffstat (limited to 'src/VBox/Devices/testcase/tstDeviceR0.cpp')
| -rw-r--r-- | src/VBox/Devices/testcase/tstDeviceR0.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/VBox/Devices/testcase/tstDeviceR0.cpp b/src/VBox/Devices/testcase/tstDeviceR0.cpp new file mode 100644 index 00000000..4912c575 --- /dev/null +++ b/src/VBox/Devices/testcase/tstDeviceR0.cpp @@ -0,0 +1,163 @@ +/* $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; +} |