VirtualBox

source: vbox/trunk/src/VBox/Devices/testcase/tstDeviceR0.cpp@ 103914

Last change on this file since 103914 was 98103, checked in by vboxsync, 21 months ago

Copyright year updates by scm.

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1/* $Id: tstDeviceR0.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * tstDevice - Test framework for PDM devices/drivers
4 */
5
6/*
7 * Copyright (C) 2017-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28
29/*********************************************************************************************************************************
30* Header Files *
31*********************************************************************************************************************************/
32#define LOG_GROUP LOG_GROUP_DEFAULT /** @todo */
33#undef IN_RING3
34#undef IN_SUP_R3
35//#undef CTX_SUFF
36//#undef R0PTRTYPE
37//#undef R3PTRTYPE
38#define IN_RING0
39#define IN_SUP_R0
40#define LINUX_VERSION_CODE 0
41#define KERNEL_VERSION(a,b,c) 1
42//#define CTX_SUFF(a_Name) a_Name##R0
43//#define R3PTRTYPE(a_R3Type) RTHCUINTPTR
44//#define R0PTRTYPE(a_R0Type) a_R0Type
45#include <VBox/types.h>
46
47#include <VBox/sup.h>
48#include <VBox/version.h>
49#include <iprt/assert.h>
50#include <iprt/getopt.h>
51#include <iprt/log.h>
52#include <iprt/list.h>
53#include <iprt/mem.h>
54
55#include "tstDeviceInternal.h"
56#include "tstDeviceCfg.h"
57#include "tstDeviceBuiltin.h"
58
59
60
61/**
62 * Create a new PDM device with default config.
63 *
64 * @returns VBox status code.
65 * @param pszName Name of the device to create.
66 * @param fRCEnabled Flag whether RC support should be enabled for this device.
67 * @param pDut The device under test structure the created PDM device instance is exercised under.
68 */
69DECLHIDDEN(int) tstDevPdmDevR0R3Create(const char *pszName, bool fRCEnabled, PTSTDEVDUTINT pDut)
70{
71 int rc = VINF_SUCCESS;
72 PCPDMDEVREGR0 pPdmDevR0 = NULL;
73 PCTSTDEVPDMDEV pPdmDev = tstDevPdmDeviceFind(pszName, &pPdmDevR0);
74 if (RT_LIKELY(pPdmDev))
75 {
76 uint32_t const cbRing0 = RT_ALIGN_32(RT_UOFFSETOF(PDMDEVINSR0, achInstanceData) + pPdmDevR0->cbInstanceCC,
77 HOST_PAGE_SIZE);
78 uint32_t const cbRing3 = RT_ALIGN_32(RT_UOFFSETOF(PDMDEVINSR3, achInstanceData) + pPdmDev->pReg->cbInstanceCC,
79 fRCEnabled ? HOST_PAGE_SIZE : 64);
80 uint32_t const cbRC = fRCEnabled ? 0
81 : RT_ALIGN_32(RT_UOFFSETOF(PDMDEVINSRC, achInstanceData) + pPdmDevR0->cbInstanceRC, 64);
82 uint32_t const cbShared = RT_ALIGN_32(pPdmDev->pReg->cbInstanceShared, 64);
83 uint32_t const cbCritSect = RT_ALIGN_32(sizeof(PDMCRITSECT), 64);
84 uint32_t const cbMsixState = RT_ALIGN_32(pPdmDev->pReg->cMaxMsixVectors * 16 + (pPdmDev->pReg->cMaxMsixVectors + 7) / 8, _4K);
85 uint32_t const cbPciDev = RT_ALIGN_32(RT_UOFFSETOF_DYN(PDMPCIDEV, abMsixState[cbMsixState]), 64);
86 uint32_t const cPciDevs = RT_MIN(pPdmDev->pReg->cMaxPciDevices, 8);
87 uint32_t const cbPciDevs = cbPciDev * cPciDevs;
88 uint32_t const cbTotal = RT_ALIGN_32(cbRing0 + cbRing3 + cbRC + cbShared + cbCritSect + cbPciDevs, HOST_PAGE_SIZE);
89 AssertLogRelMsgReturn(cbTotal <= PDM_MAX_DEVICE_INSTANCE_SIZE,
90 ("Instance of '%s' is too big: cbTotal=%u, max %u\n",
91 pPdmDev->pReg->szName, cbTotal, PDM_MAX_DEVICE_INSTANCE_SIZE),
92 VERR_OUT_OF_RANGE);
93
94 PPDMDEVINSR0 pDevInsR0 = (PPDMDEVINSR0)RTMemAllocZ(cbTotal);
95 PDMDEVINSR3 *pDevInsR3 = (PDMDEVINSR3 *)(((uint8_t *)pDevInsR0 + cbRing0));
96
97 pDevInsR0->u32Version = PDM_DEVINSR0_VERSION;
98 pDevInsR0->iInstance = 0;
99 pDevInsR0->pHlpR0 = &g_tstDevPdmDevHlpR0;
100 pDevInsR0->Internal.s.pDut = pDut;
101 pDevInsR0->pvInstanceDataR0 = (uint8_t *)pDevInsR0 + cbRing0 + cbRing3 + cbRC;
102 pDevInsR0->pvInstanceDataForR0 = &pDevInsR0->achInstanceData[0];
103 pDevInsR0->pCritSectRoR0 = (PPDMCRITSECT)((uint8_t *)pDevInsR0->pvInstanceDataR0 + cbShared);
104 pDevInsR0->pReg = pPdmDevR0;
105 pDevInsR0->pDevInsForR3 = (RTHCUINTPTR)pDevInsR3;
106 pDevInsR0->pDevInsForR3R0 = pDevInsR3;
107 pDevInsR0->pvInstanceDataForR3R0 = &pDevInsR3->achInstanceData[0];
108 pDevInsR0->cbPciDev = cbPciDev;
109 pDevInsR0->cPciDevs = cPciDevs;
110 for (uint32_t iPciDev = 0; iPciDev < cPciDevs; iPciDev++)
111 {
112 /* Note! PDMDevice.cpp has a copy of this code. Keep in sync. */
113 PPDMPCIDEV pPciDev = (PPDMPCIDEV)((uint8_t *)pDevInsR0->pCritSectRoR0 + cbCritSect + cbPciDev * iPciDev);
114 if (iPciDev < RT_ELEMENTS(pDevInsR0->apPciDevs))
115 pDevInsR0->apPciDevs[iPciDev] = pPciDev;
116 pPciDev->cbConfig = _4K;
117 pPciDev->cbMsixState = cbMsixState;
118 pPciDev->idxSubDev = (uint16_t)iPciDev;
119 //pPciDev->Int.s.idxSubDev = (uint16_t)iPciDev;
120 pPciDev->u32Magic = PDMPCIDEV_MAGIC;
121 }
122
123 pDevInsR3->u32Version = PDM_DEVINSR3_VERSION;
124 pDevInsR3->iInstance = 0;
125 pDevInsR3->cbRing3 = cbRing3;
126 pDevInsR3->fR0Enabled = true;
127 pDevInsR3->fRCEnabled = fRCEnabled;
128 pDevInsR3->pvInstanceDataR3 = pDevInsR0->pDevInsForR3 + cbRing3 + cbRC;
129 pDevInsR3->pvInstanceDataForR3 = pDevInsR0->pDevInsForR3 + RT_UOFFSETOF(PDMDEVINSR3, achInstanceData);
130 pDevInsR3->pCritSectRoR3 = pDevInsR0->pDevInsForR3 + cbRing3 + cbRC + cbShared;
131 pDevInsR3->pDevInsR0RemoveMe = pDevInsR0;
132 pDevInsR3->pvInstanceDataR0 = pDevInsR0->pvInstanceDataR0;
133 pDevInsR3->pvInstanceDataRC = fRCEnabled ? NIL_RTRGPTR : pDevInsR0->pDevInsForRC + RT_UOFFSETOF(PDMDEVINSRC, achInstanceData);
134 pDevInsR3->pDevInsForRC = pDevInsR0->pDevInsForRC;
135 pDevInsR3->pDevInsForRCR3 = pDevInsR0->pDevInsForR3 + cbRing3;
136 pDevInsR3->pDevInsForRCR3 = pDevInsR3->pDevInsForRCR3 + RT_UOFFSETOF(PDMDEVINSRC, achInstanceData);
137 pDevInsR3->cbPciDev = cbPciDev;
138 pDevInsR3->cPciDevs = cPciDevs;
139 for (uint32_t i = 0; i < RT_MIN(cPciDevs, RT_ELEMENTS(pDevInsR3->apPciDevs)); i++)
140 pDevInsR3->apPciDevs[i] = pDevInsR3->pCritSectRoR3 + cbCritSect + cbPciDev * i;
141 RTCritSectInit(&pDevInsR0->pCritSectRoR0->s.CritSect);
142 pDut->pDevIns = pDevInsR3;
143 pDut->pDevInsR0 = pDevInsR0;
144
145 rc = tstDevPdmDeviceR3Construct(pDut);
146 if (RT_SUCCESS(rc))
147 {
148 rc = pPdmDevR0->pfnConstruct(pDevInsR0);
149 if (RT_SUCCESS(rc))
150 return VINF_SUCCESS;
151 }
152
153 if (RT_FAILURE(rc))
154 {
155 //rc = pPdmDev->pReg->pfnDestruct(pDevIns);
156 RTMemFree(pDevInsR0);
157 }
158 }
159 else
160 rc = VERR_NOT_FOUND;
161
162 return rc;
163}
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