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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
commitf8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch)
tree26484e9d7e2c67806c2d1760196ff01aaa858e8c /include/VBox/vmm/gvm.h
parentInitial commit. (diff)
downloadvirtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz
virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/VBox/vmm/gvm.h')
-rw-r--r--include/VBox/vmm/gvm.h183
1 files changed, 183 insertions, 0 deletions
diff --git a/include/VBox/vmm/gvm.h b/include/VBox/vmm/gvm.h
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+/* $Id: gvm.h $ */
+/** @file
+ * GVM - The Global VM Data.
+ */
+
+/*
+ * Copyright (C) 2007-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef VBOX_INCLUDED_vmm_gvm_h
+#define VBOX_INCLUDED_vmm_gvm_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/types.h>
+#include <iprt/thread.h>
+#include <iprt/assertcompile.h>
+
+
+/** @defgroup grp_gvmcpu GVMCPU - The Global VMCPU Data
+ * @ingroup grp_vmm
+ * @{
+ */
+
+typedef struct GVMCPU
+{
+ /** VCPU id (0 - (pVM->cCpus - 1). */
+ VMCPUID idCpu;
+ /** Padding. */
+ uint32_t uPadding;
+
+ /** Handle to the EMT thread. */
+ RTNATIVETHREAD hEMT;
+
+ /** Pointer to the global (ring-0) VM structure this CPU belongs to. */
+ PGVM pGVM;
+ /** Pointer to the corresponding cross context CPU structure. */
+ PVMCPU pVCpu;
+ /** Pointer to the corresponding cross context VM structure. */
+ PVM pVM;
+
+ /** Padding so gvmm starts on a 64 byte boundrary. */
+ uint8_t abPadding[HC_ARCH_BITS == 32 ? 4*4 + 24 : 24];
+
+ /** The GVMM per vcpu data. */
+ union
+ {
+#ifdef VMM_INCLUDED_SRC_VMMR0_GVMMR0Internal_h
+ struct GVMMPERVCPU s;
+#endif
+ uint8_t padding[64];
+ } gvmm;
+
+#ifdef VBOX_WITH_NEM_R0
+ /** The NEM per vcpu data. */
+ union
+ {
+# ifdef VMM_INCLUDED_SRC_include_NEMInternal_h
+ struct NEMR0PERVCPU s;
+# endif
+ uint8_t padding[64];
+ } nem;
+#endif
+} GVMCPU;
+AssertCompileMemberOffset(GVMCPU, gvmm, 64);
+#ifdef VBOX_WITH_NEM_R0
+AssertCompileMemberOffset(GVMCPU, nem, 64 + 64);
+AssertCompileSize( GVMCPU, 64 + 64 + 64);
+#else
+AssertCompileSize( GVMCPU, 64 + 64);
+#endif
+
+/** @} */
+
+/** @defgroup grp_gvm GVM - The Global VM Data
+ * @ingroup grp_vmm
+ * @{
+ */
+
+/**
+ * The Global VM Data.
+ *
+ * This is a ring-0 only structure where we put items we don't need to
+ * share with ring-3 or GC, like for instance various RTR0MEMOBJ handles.
+ *
+ * Unlike VM, there are no special alignment restrictions here. The
+ * paddings are checked by compile time assertions.
+ */
+typedef struct GVM
+{
+ /** Magic / eye-catcher (GVM_MAGIC). */
+ uint32_t u32Magic;
+ /** The global VM handle for this VM. */
+ uint32_t hSelf;
+ /** The ring-0 mapping of the VM structure. */
+ PVM pVM;
+ /** The ring-3 mapping of the VM structure. */
+ PVMR3 pVMR3;
+ /** The support driver session the VM is associated with. */
+ PSUPDRVSESSION pSession;
+ /** Number of Virtual CPUs, i.e. how many entries there are in aCpus.
+ * Same same as VM::cCpus. */
+ uint32_t cCpus;
+ /** Padding so gvmm starts on a 64 byte boundrary. */
+ uint8_t abPadding[HC_ARCH_BITS == 32 ? 12 + 28 : 28];
+
+ /** The GVMM per vm data. */
+ union
+ {
+#ifdef VMM_INCLUDED_SRC_VMMR0_GVMMR0Internal_h
+ struct GVMMPERVM s;
+#endif
+ uint8_t padding[256];
+ } gvmm;
+
+ /** The GMM per vm data. */
+ union
+ {
+#ifdef VMM_INCLUDED_SRC_VMMR0_GMMR0Internal_h
+ struct GMMPERVM s;
+#endif
+ uint8_t padding[512];
+ } gmm;
+
+#ifdef VBOX_WITH_NEM_R0
+ /** The NEM per vcpu data. */
+ union
+ {
+# ifdef VMM_INCLUDED_SRC_include_NEMInternal_h
+ struct NEMR0PERVM s;
+# endif
+ uint8_t padding[256];
+ } nem;
+#endif
+
+ /** The RAWPCIVM per vm data. */
+ union
+ {
+#ifdef VBOX_INCLUDED_rawpci_h
+ struct RAWPCIPERVM s;
+#endif
+ uint8_t padding[64];
+ } rawpci;
+
+ /** GVMCPU array for the configured number of virtual CPUs. */
+ GVMCPU aCpus[1];
+} GVM;
+AssertCompileMemberOffset(GVM, gvmm, 64);
+AssertCompileMemberOffset(GVM, gmm, 64 + 256);
+#ifdef VBOX_WITH_NEM_R0
+AssertCompileMemberOffset(GVM, nem, 64 + 256 + 512);
+AssertCompileMemberOffset(GVM, rawpci, 64 + 256 + 512 + 256);
+AssertCompileMemberOffset(GVM, aCpus, 64 + 256 + 512 + 256 + 64);
+#else
+AssertCompileMemberOffset(GVM, rawpci, 64 + 256 + 512);
+AssertCompileMemberOffset(GVM, aCpus, 64 + 256 + 512 + 64);
+#endif
+
+/** The GVM::u32Magic value (Wayne Shorter). */
+#define GVM_MAGIC 0x19330825
+
+/** @} */
+
+#endif /* !VBOX_INCLUDED_vmm_gvm_h */
+