Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

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

1 files changed, 351 insertions, 0 deletions

diff --git a/include/VBox/vmm/gvm.h b/include/VBox/vmm/gvm.h
new file mode 100644
index 00000000..8efdcc24
--- /dev/null
+++ b/include/VBox/vmm/gvm.h
@@ -0,0 +1,351 @@
+/* $Id: gvm.h $ */
+/** @file
+ * GVM - The Global VM Data.
+ */
+
+/*
+ * Copyright (C) 2007-2022 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>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef VBOX_INCLUDED_vmm_gvm_h
+#define VBOX_INCLUDED_vmm_gvm_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#ifndef USING_VMM_COMMON_DEFS
+# error "Compile job does not include VMM_COMMON_DEFS from src/VBox/Config.kmk - make sure you really need to include this file!"
+#endif
+#include <VBox/types.h>
+#include <VBox/vmm/vm.h>
+#include <VBox/param.h>
+#include <iprt/thread.h>
+#include <iprt/assertcompile.h>
+
+
+/** @defgroup grp_gvmcpu    GVMCPU - The Global VMCPU Data
+ * @ingroup grp_vmm
+ * @{
+ */
+
+#if defined(__cplusplus) && !defined(GVM_C_STYLE_STRUCTURES)
+typedef struct GVMCPU : public VMCPU
+#else
+typedef struct GVMCPU
+#endif
+{
+#if !defined(__cplusplus) || defined(GVM_C_STYLE_STRUCTURES)
+    VMCPU           s;
+#endif
+
+    /** VCPU id (0 - (pVM->cCpus - 1). */
+    VMCPUID             idCpu;
+    /** Padding. */
+    uint32_t            uPadding0;
+
+    /** Handle to the EMT thread. */
+    RTNATIVETHREAD      hEMT;
+
+    /** Pointer to the global (ring-0) VM structure this CPU belongs to. */
+    R0PTRTYPE(PGVM)     pGVM;
+    /** Pointer to the GVM structure, for CTX_SUFF use in VMMAll code.  */
+    PGVM                pVMR0;
+    /** The ring-3 address of this structure (only VMCPU part). */
+    PVMCPUR3            pVCpuR3;
+
+    /** Padding so the noisy stuff on a 64 byte boundrary.
+     * @note Keeping this working for 32-bit header syntax checking.  */
+    uint8_t             abPadding1[HC_ARCH_BITS == 32 ? 40 : 24];
+
+    /** Which host CPU ID is this EMT running on.
+     * Only valid when in RC or HMR0 with scheduling disabled. */
+    RTCPUID volatile    idHostCpu;
+    /** The CPU set index corresponding to idHostCpu, UINT32_MAX if not valid.
+     * @remarks Best to make sure iHostCpuSet shares cache line with idHostCpu! */
+    uint32_t volatile   iHostCpuSet;
+
+    /** Padding so gvmm starts on a 64 byte boundrary.
+     * @note Keeping this working for 32-bit header syntax checking.  */
+    uint8_t             abPadding2[56];
+
+    /** The GVMM per vcpu data. */
+    union
+    {
+#ifdef VMM_INCLUDED_SRC_VMMR0_GVMMR0Internal_h
+        struct GVMMPERVCPU  s;
+#endif
+        uint8_t             padding[256];
+    } gvmm;
+
+    /** The HM per vcpu data. */
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_HMInternal_h) && defined(IN_RING0)
+        struct HMR0PERVCPU  s;
+#endif
+        uint8_t             padding[1024];
+    } hmr0;
+
+#ifdef VBOX_WITH_NEM_R0
+    /** The NEM per vcpu data. */
+    union
+    {
+# if defined(VMM_INCLUDED_SRC_include_NEMInternal_h) && defined(IN_RING0)
+        struct NEMR0PERVCPU s;
+# endif
+        uint8_t             padding[64];
+    } nemr0;
+#endif
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_VMMInternal_h) && defined(IN_RING0)
+        struct VMMR0PERVCPU s;
+#endif
+        uint8_t             padding[896];
+    } vmmr0;
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_PGMInternal_h) && defined(IN_RING0)
+        struct PGMR0PERVCPU s;
+#endif
+        uint8_t             padding[64];
+    } pgmr0;
+
+    /** Padding the structure size to page boundrary. */
+#ifdef VBOX_WITH_NEM_R0
+    uint8_t                 abPadding3[16384 - 64*2 - 256 - 1024 - 64 - 896 - 64];
+#else
+    uint8_t                 abPadding3[16384 - 64*2 - 256 - 1024 - 896 - 64];
+#endif
+} GVMCPU;
+#if RT_GNUC_PREREQ(4, 6) && defined(__cplusplus)
+# pragma GCC diagnostic push
+#endif
+#if RT_GNUC_PREREQ(4, 3) && defined(__cplusplus)
+# pragma GCC diagnostic ignored "-Winvalid-offsetof"
+#endif
+AssertCompileMemberAlignment(GVMCPU, idCpu,  16384);
+AssertCompileMemberAlignment(GVMCPU, gvmm,   64);
+#ifdef VBOX_WITH_NEM_R0
+AssertCompileMemberAlignment(GVMCPU, nemr0,  64);
+#endif
+AssertCompileSizeAlignment(GVMCPU,           16384);
+#if RT_GNUC_PREREQ(4, 6) && defined(__cplusplus)
+# pragma GCC diagnostic pop
+#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.
+ */
+#if defined(__cplusplus) && !defined(GVM_C_STYLE_STRUCTURES)
+typedef struct GVM : public VM
+#else
+typedef struct GVM
+#endif
+{
+#if !defined(__cplusplus) || defined(GVM_C_STYLE_STRUCTURES)
+    VM              s;
+#endif
+    /** Magic / eye-catcher (GVM_MAGIC). */
+    uint32_t        u32Magic;
+    /** The global VM handle for this VM. */
+    uint32_t        hSelf;
+    /** Pointer to this structure (for validation purposes). */
+    PGVM            pSelf;
+    /** 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[4352];
+    } gvmm;
+
+    /** The GMM per vm data. */
+    union
+    {
+#ifdef VMM_INCLUDED_SRC_VMMR0_GMMR0Internal_h
+        struct GMMPERVM     s;
+#endif
+        uint8_t             padding[1024];
+    } gmm;
+
+    /** The HM per vm data. */
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_HMInternal_h) && defined(IN_RING0)
+        struct HMR0PERVM    s;
+#endif
+        uint8_t             padding[256];
+    } hmr0;
+
+#ifdef VBOX_WITH_NEM_R0
+    /** The NEM per vcpu data. */
+    union
+    {
+# if defined(VMM_INCLUDED_SRC_include_NEMInternal_h) && defined(IN_RING0)
+        struct NEMR0PERVM   s;
+# endif
+        uint8_t             padding[256];
+    } nemr0;
+#endif
+
+    /** The RAWPCIVM per vm data. */
+    union
+    {
+#ifdef VBOX_INCLUDED_rawpci_h
+        struct RAWPCIPERVM s;
+#endif
+        uint8_t             padding[64];
+    } rawpci;
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_PDMInternal_h) && defined(IN_RING0)
+        struct PDMR0PERVM   s;
+#endif
+        uint8_t             padding[3008];
+    } pdmr0;
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_PGMInternal_h) && defined(IN_RING0)
+        struct PGMR0PERVM   s;
+#endif
+        uint8_t             padding[1920];
+    } pgmr0;
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_IOMInternal_h) && defined(IN_RING0)
+        struct IOMR0PERVM   s;
+#endif
+        uint8_t             padding[512];
+    } iomr0;
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_APICInternal_h) && defined(IN_RING0)
+        struct APICR0PERVM  s;
+#endif
+        uint8_t             padding[64];
+    } apicr0;
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_DBGFInternal_h) && defined(IN_RING0)
+        struct DBGFR0PERVM   s;
+#endif
+        uint8_t             padding[1024];
+    } dbgfr0;
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_TMInternal_h) && defined(IN_RING0)
+        TMR0PERVM           s;
+#endif
+        uint8_t             padding[192];
+    } tmr0;
+
+    union
+    {
+#if defined(VMM_INCLUDED_SRC_include_VMMInternal_h) && defined(IN_RING0)
+        VMMR0PERVM          s;
+#endif
+        uint8_t             padding[704];
+    } vmmr0;
+
+    /** Padding so aCpus starts on a page boundrary.  */
+#ifdef VBOX_WITH_NEM_R0
+    uint8_t         abPadding2[16384 - 64 - 4352 - 1024 - 256 - 256 - 64 - 3008 - 1920 - 512 - 64 - 1024 - 192 - 704 - sizeof(PGVMCPU) * VMM_MAX_CPU_COUNT];
+#else
+    uint8_t         abPadding2[16384 - 64 - 4352 - 1024 - 256 -       64 - 3008 - 1920 - 512 - 64 - 1024 - 192 - 704 - sizeof(PGVMCPU) * VMM_MAX_CPU_COUNT];
+#endif
+
+    /** For simplifying CPU enumeration in VMMAll code. */
+    PGVMCPU         apCpusR0[VMM_MAX_CPU_COUNT];
+
+    /** GVMCPU array for the configured number of virtual CPUs. */
+    GVMCPU          aCpus[1];
+} GVM;
+#if 0
+#if RT_GNUC_PREREQ(4, 6) && defined(__cplusplus)
+# pragma GCC diagnostic push
+#endif
+#if RT_GNUC_PREREQ(4, 3) && defined(__cplusplus)
+# pragma GCC diagnostic ignored "-Winvalid-offsetof"
+#endif
+AssertCompileMemberAlignment(GVM, u32Magic, 64);
+AssertCompileMemberAlignment(GVM, gvmm,     64);
+AssertCompileMemberAlignment(GVM, gmm,      64);
+#ifdef VBOX_WITH_NEM_R0
+AssertCompileMemberAlignment(GVM, nemr0,    64);
+#endif
+AssertCompileMemberAlignment(GVM, rawpci,   64);
+AssertCompileMemberAlignment(GVM, pdmr0,    64);
+AssertCompileMemberAlignment(GVM, aCpus,    16384);
+AssertCompileSizeAlignment(GVM,             16384);
+#if RT_GNUC_PREREQ(4, 6) && defined(__cplusplus)
+# pragma GCC diagnostic pop
+#endif
+#endif
+
+/** The GVM::u32Magic value (Wayne Shorter). */
+#define GVM_MAGIC       0x19330825
+
+/** @} */
+
+#endif /* !VBOX_INCLUDED_vmm_gvm_h */
+