Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 284 insertions, 0 deletions

diff --git a/src/VBox/VMM/testcase/tstPDMAsyncCompletion.cpp b/src/VBox/VMM/testcase/tstPDMAsyncCompletion.cpp
new file mode 100644
index 00000000..80407f28
--- /dev/null
+++ b/src/VBox/VMM/testcase/tstPDMAsyncCompletion.cpp
@@ -0,0 +1,284 @@
+/* $Id: tstPDMAsyncCompletion.cpp $ */
+/** @file
+ * PDM Asynchronous Completion Testcase.
+ *
+ * This testcase is for testing the async completion interface.
+ * It implements a file copy program which uses the interface to copy the data.
+ *
+ * Use: ./tstPDMAsyncCompletion <source> <destination>
+ */
+
+/*
+ * Copyright (C) 2008-2023 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_PDM_ASYNC_COMPLETION
+
+#include "VMInternal.h" /* UVM */
+#include <VBox/vmm/vm.h>
+#include <VBox/vmm/uvm.h>
+#include <VBox/vmm/pdmasynccompletion.h>
+#include <VBox/vmm/vmm.h>
+#include <VBox/vmm/cpum.h>
+#include <iprt/errcore.h>
+#include <VBox/log.h>
+#include <VBox/vmm/pdmapi.h>
+#include <iprt/alloc.h>
+#include <iprt/asm.h>
+#include <iprt/assert.h>
+#include <iprt/file.h>
+#include <iprt/initterm.h>
+#include <iprt/semaphore.h>
+#include <iprt/stream.h>
+#include <iprt/string.h>
+#include <iprt/thread.h>
+
+#define TESTCASE "tstPDMAsyncCompletion"
+
+/*
+ * Number of simultaneous active tasks.
+ */
+#define NR_TASKS      80
+#define BUFFER_SIZE (64*_1K)
+
+/* Buffers to store data in .*/
+uint8_t                *g_AsyncCompletionTasksBuffer[NR_TASKS];
+PPDMASYNCCOMPLETIONTASK g_AsyncCompletionTasks[NR_TASKS];
+volatile uint32_t       g_cTasksLeft;
+RTSEMEVENT              g_FinishedEventSem;
+
+static DECLCALLBACK(void) AsyncTaskCompleted(PVM pVM, void *pvUser, void *pvUser2, int rc)
+{
+    RT_NOREF4(pVM, pvUser, pvUser2, rc);
+    LogFlow((TESTCASE ": %s: pVM=%p pvUser=%p pvUser2=%p\n", __FUNCTION__, pVM, pvUser, pvUser2));
+
+    uint32_t cTasksStillLeft = ASMAtomicDecU32(&g_cTasksLeft);
+
+    if (!cTasksStillLeft)
+    {
+        /* All tasks processed. Wakeup main. */
+        RTSemEventSignal(g_FinishedEventSem);
+    }
+}
+
+/**
+ *  Entry point.
+ */
+extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp)
+{
+    RT_NOREF1(envp);
+    int rcRet = 0; /* error count */
+    PPDMASYNCCOMPLETIONENDPOINT pEndpointSrc, pEndpointDst;
+
+    RTR3InitExe(argc, &argv, RTR3INIT_FLAGS_TRY_SUPLIB);
+
+    if (argc != 3)
+    {
+        RTPrintf(TESTCASE ": Usage is ./tstPDMAsyncCompletion <source> <dest>\n");
+        return 1;
+    }
+
+    PVM pVM;
+    PUVM pUVM;
+    int rc = VMR3Create(1 /*cCpus*/, NULL, 0 /*fFlags*/, NULL, NULL, NULL, NULL, &pVM, &pUVM);
+    if (RT_SUCCESS(rc))
+    {
+        /*
+         * Little hack to avoid the VM_ASSERT_EMT assertion.
+         */
+        RTTlsSet(pVM->pUVM->vm.s.idxTLS, &pVM->pUVM->aCpus[0]);
+        pVM->pUVM->aCpus[0].pUVM = pVM->pUVM;
+        pVM->pUVM->aCpus[0].vm.s.NativeThreadEMT = RTThreadNativeSelf();
+
+        /*
+         * Create the template.
+         */
+        PPDMASYNCCOMPLETIONTEMPLATE pTemplate;
+        rc = PDMR3AsyncCompletionTemplateCreateInternal(pVM, &pTemplate, AsyncTaskCompleted, NULL, "Test");
+        if (RT_FAILURE(rc))
+        {
+            RTPrintf(TESTCASE ": Error while creating the template!! rc=%d\n", rc);
+            return 1;
+        }
+
+        /*
+         * Create event semaphore.
+         */
+        rc = RTSemEventCreate(&g_FinishedEventSem);
+        AssertRC(rc);
+
+        /*
+         * Create the temporary buffers.
+         */
+        for (unsigned i=0; i < NR_TASKS; i++)
+        {
+            g_AsyncCompletionTasksBuffer[i] = (uint8_t *)RTMemAllocZ(BUFFER_SIZE);
+            if (!g_AsyncCompletionTasksBuffer[i])
+            {
+                RTPrintf(TESTCASE ": out of memory!\n");
+                return ++rcRet;
+            }
+        }
+
+        /* Create the destination as the async completion API can't do this. */
+        RTFILE FileTmp;
+        rc = RTFileOpen(&FileTmp, argv[2], RTFILE_O_READWRITE | RTFILE_O_OPEN_CREATE | RTFILE_O_DENY_NONE);
+        if (RT_FAILURE(rc))
+        {
+            RTPrintf(TESTCASE ": Error while creating the destination!! rc=%d\n", rc);
+            return ++rcRet;
+        }
+        RTFileClose(FileTmp);
+
+        /* Create our file endpoint */
+        rc = PDMR3AsyncCompletionEpCreateForFile(&pEndpointSrc, argv[1], 0, pTemplate);
+        if (RT_SUCCESS(rc))
+        {
+            rc = PDMR3AsyncCompletionEpCreateForFile(&pEndpointDst, argv[2], 0, pTemplate);
+            if (RT_SUCCESS(rc))
+            {
+                PDMR3PowerOn(pVM);
+
+                /* Wait for all threads to finish initialization. */
+                RTThreadSleep(100);
+
+                int fReadPass = true;
+                uint64_t cbSrc;
+                size_t   offSrc = 0;
+                size_t   offDst = 0;
+                uint32_t cTasksUsed = 0;
+
+                rc = PDMR3AsyncCompletionEpGetSize(pEndpointSrc, &cbSrc);
+                if (RT_SUCCESS(rc))
+                {
+                    /* Copy the data. */
+                    for (;;)
+                    {
+                        if (fReadPass)
+                        {
+                            cTasksUsed = (BUFFER_SIZE * NR_TASKS) <= (cbSrc - offSrc)
+                                         ? NR_TASKS
+                                         :   ((cbSrc - offSrc) / BUFFER_SIZE)
+                                           + ((cbSrc - offSrc) % BUFFER_SIZE) > 0
+                                         ? 1
+                                         : 0;
+
+                            g_cTasksLeft = cTasksUsed;
+
+                            for (uint32_t i = 0; i < cTasksUsed; i++)
+                            {
+                                size_t cbRead = ((size_t)offSrc + BUFFER_SIZE) <= cbSrc ? BUFFER_SIZE : cbSrc - offSrc;
+                                RTSGSEG DataSeg;
+
+                                DataSeg.pvSeg = g_AsyncCompletionTasksBuffer[i];
+                                DataSeg.cbSeg = cbRead;
+
+                                rc = PDMR3AsyncCompletionEpRead(pEndpointSrc, offSrc, &DataSeg, 1, cbRead, NULL,
+                                                                &g_AsyncCompletionTasks[i]);
+                                AssertRC(rc);
+                                offSrc += cbRead;
+                                if (offSrc == cbSrc)
+                                    break;
+                            }
+                        }
+                        else
+                        {
+                            g_cTasksLeft = cTasksUsed;
+
+                            for (uint32_t i = 0; i < cTasksUsed; i++)
+                            {
+                                size_t cbWrite = (offDst + BUFFER_SIZE) <= cbSrc ? BUFFER_SIZE : cbSrc - offDst;
+                                RTSGSEG DataSeg;
+
+                                DataSeg.pvSeg = g_AsyncCompletionTasksBuffer[i];
+                                DataSeg.cbSeg = cbWrite;
+
+                                rc = PDMR3AsyncCompletionEpWrite(pEndpointDst, offDst, &DataSeg, 1, cbWrite, NULL,
+                                                                 &g_AsyncCompletionTasks[i]);
+                                AssertRC(rc);
+                                offDst += cbWrite;
+                                if (offDst == cbSrc)
+                                    break;
+                            }
+                        }
+
+                        rc = RTSemEventWait(g_FinishedEventSem, RT_INDEFINITE_WAIT);
+                        AssertRC(rc);
+
+                        if (!fReadPass && (offDst == cbSrc))
+                            break;
+                        else if (fReadPass)
+                            fReadPass = false;
+                        else
+                        {
+                            cTasksUsed = 0;
+                            fReadPass = true;
+                        }
+                    }
+                }
+                else
+                {
+                    RTPrintf(TESTCASE ": Error querying size of the endpoint!! rc=%d\n", rc);
+                    rcRet++;
+                }
+
+                PDMR3PowerOff(pVM);
+                PDMR3AsyncCompletionEpClose(pEndpointDst);
+            }
+            PDMR3AsyncCompletionEpClose(pEndpointSrc);
+        }
+
+        rc = VMR3Destroy(pUVM);
+        AssertMsg(rc == VINF_SUCCESS, ("%s: Destroying VM failed rc=%Rrc!!\n", __FUNCTION__, rc));
+        VMR3ReleaseUVM(pUVM);
+
+        /*
+         * Clean up.
+         */
+        for (uint32_t i = 0; i < NR_TASKS; i++)
+        {
+            RTMemFree(g_AsyncCompletionTasksBuffer[i]);
+        }
+    }
+    else
+    {
+        RTPrintf(TESTCASE ": failed to create VM!! rc=%Rrc\n", rc);
+        rcRet++;
+    }
+
+    return rcRet;
+}
+
+
+#if !defined(VBOX_WITH_HARDENING) || !defined(RT_OS_WINDOWS)
+/**
+ * Main entry point.
+ */
+int main(int argc, char **argv, char **envp)
+{
+    return TrustedMain(argc, argv, envp);
+}
+#endif
+