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+/** @file
+ * VirtualBox - Types.
+ */
+
+/*
+ * Copyright (C) 2006-2022 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_types_h
+#define VBOX_INCLUDED_types_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/cdefs.h>
+#include <iprt/types.h>
+
+
+/** @defgroup grp_types VBox Basic Types
+ * @{
+ */
+
+
+/** @defgroup grp_types_both Common Guest and Host Context Basic Types
+ * @{
+ */
+
+
+/** @defgroup grp_types_hc Host Context Basic Types
+ * @{
+ */
+
+/** @} */
+
+
+/** @defgroup grp_types_gc Guest Context Basic Types
+ * @{
+ */
+
+/** @} */
+
+
+/** Pointer to per support driver session data.
+ * (The data is a R0 entity and private to the the R0 SUP part. All
+ * other should consider this a sort of handle.) */
+typedef R0PTRTYPE(struct SUPDRVSESSION *) PSUPDRVSESSION;
+
+/** Event semaphore handle. Ring-0 / ring-3. */
+typedef R0PTRTYPE(struct SUPSEMEVENTHANDLE *) SUPSEMEVENT;
+/** Pointer to an event semaphore handle. */
+typedef SUPSEMEVENT *PSUPSEMEVENT;
+/** Nil event semaphore handle. */
+#define NIL_SUPSEMEVENT ((SUPSEMEVENT)0)
+
+/** Multiple release event semaphore handle. Ring-0 / ring-3. */
+typedef R0PTRTYPE(struct SUPSEMEVENTMULTIHANDLE *) SUPSEMEVENTMULTI;
+/** Pointer to an multiple release event semaphore handle. */
+typedef SUPSEMEVENTMULTI *PSUPSEMEVENTMULTI;
+/** Nil multiple release event semaphore handle. */
+#define NIL_SUPSEMEVENTMULTI ((SUPSEMEVENTMULTI)0)
+
+
+/** Pointer to a ring-3 VMM API vtable. */
+typedef R3PTRTYPE(const struct VMMR3VTABLE *) PCVMMR3VTABLE;
+
+/** Pointer to a VM. */
+typedef struct VM *PVM;
+/** Pointer to a const VM. */
+typedef const struct VM *PCVM;
+/** Pointer to a VM - Ring-0 Ptr. */
+typedef R0PTRTYPE(struct VM *) PVMR0;
+/** Pointer to a VM - Ring-3 Ptr. */
+typedef R3PTRTYPE(struct VM *) PVMR3;
+/** Pointer to a VM - RC Ptr. */
+typedef RCPTRTYPE(struct VM *) PVMRC;
+
+/** Pointer to a virtual CPU structure. */
+typedef struct VMCPU * PVMCPU;
+/** Pointer to a const virtual CPU structure. */
+typedef const struct VMCPU * PCVMCPU;
+/** Pointer to a virtual CPU structure - Ring-3 Ptr. */
+typedef R3PTRTYPE(struct VMCPU *) PVMCPUR3;
+/** Pointer to a virtual CPU structure - Ring-0 Ptr. */
+typedef R0PTRTYPE(struct VMCPU *) PVMCPUR0;
+/** Pointer to a virtual CPU structure - RC Ptr. */
+typedef RCPTRTYPE(struct VMCPU *) PVMCPURC;
+
+/** Pointer to a ring-0 (global) VM structure. */
+typedef R0PTRTYPE(struct GVM *) PGVM;
+/** Pointer to a const ring-0 (global) VM structure. */
+typedef R0PTRTYPE(const struct GVM *) PCGVM;
+/** Pointer to a GVMCPU structure. */
+typedef R0PTRTYPE(struct GVMCPU *) PGVMCPU;
+/** Pointer to a const GVMCPU structure. */
+typedef R0PTRTYPE(struct GVMCPU const *) PCGVMCPU;
+
+/** Pointer to a ring-3 (user mode) VM structure. */
+typedef R3PTRTYPE(struct UVM *) PUVM;
+
+/** Pointer to a ring-3 (user mode) VMCPU structure. */
+typedef R3PTRTYPE(struct UVMCPU *) PUVMCPU;
+
+/** Pointer to a context specific VM derived structure.
+ * This is PGVM in ring-0 and plain PVM in ring-3. */
+#ifdef IN_RING0
+typedef PGVM PVMCC;
+#else
+typedef PVM PVMCC;
+#endif
+/** Pointer to a const context specific VM derived structure.
+ * This is PCGVM in ring-0 and plain PCVM in ring-3. */
+#ifdef IN_RING0
+typedef PCGVM PCVMCC;
+#else
+typedef PCVM PCVMCC;
+#endif
+/** Pointer to a context specific VMCPUM derived structure.
+ * This is PGVMCPU in ring-0 and plain PVMCPU in ring-3. */
+#ifdef IN_RING0
+typedef PGVMCPU PVMCPUCC;
+#else
+typedef PVMCPU PVMCPUCC;
+#endif
+/** Pointer to a const context specific VMCPU derived structure.
+ * This is PCGVMCPU in ring-0 and plain PCVMCPU in ring-3. */
+#ifdef IN_RING0
+typedef PCGVMCPU PCVMCPUCC;
+#else
+typedef PCVMCPU PCVMCPUCC;
+#endif
+
+/** Virtual CPU ID. */
+typedef uint32_t VMCPUID;
+/** Pointer to a virtual CPU ID. */
+typedef VMCPUID *PVMCPUID;
+/** @name Special CPU ID values.
+ * Most of these are for request scheduling.
+ *
+ * @{ */
+/** All virtual CPUs. */
+#define VMCPUID_ALL UINT32_C(0xfffffff2)
+/** All virtual CPUs, descending order. */
+#define VMCPUID_ALL_REVERSE UINT32_C(0xfffffff3)
+/** Any virtual CPU.
+ * Intended for scheduling a VM request or some other task. */
+#define VMCPUID_ANY UINT32_C(0xfffffff4)
+/** Any virtual CPU; always queue for future execution.
+ * Intended for scheduling a VM request or some other task. */
+#define VMCPUID_ANY_QUEUE UINT32_C(0xfffffff5)
+/** The NIL value. */
+#define NIL_VMCPUID UINT32_C(0xfffffffd)
+/** @} */
+
+/**
+ * Virtual CPU set.
+ */
+typedef struct VMCPUSET
+{
+ /** The bitmap data. */
+ uint32_t au32Bitmap[8 /*256/32*/];
+} VMCPUSET;
+/** Pointer to a Virtual CPU set. */
+typedef VMCPUSET *PVMCPUSET;
+/** Pointer to a const Virtual CPU set. */
+typedef VMCPUSET const *PCVMCPUSET;
+
+
+/**
+ * VM State
+ */
+typedef enum VMSTATE
+{
+ /** The VM is being created. */
+ VMSTATE_CREATING = 0,
+ /** The VM is created. */
+ VMSTATE_CREATED,
+ /** The VM state is being loaded from file. */
+ VMSTATE_LOADING,
+ /** The VM is being powered on */
+ VMSTATE_POWERING_ON,
+ /** The VM is being resumed. */
+ VMSTATE_RESUMING,
+ /** The VM is runnning. */
+ VMSTATE_RUNNING,
+ /** Live save: The VM is running and the state is being saved. */
+ VMSTATE_RUNNING_LS,
+ /** Fault Tolerance: The VM is running and the state is being synced. */
+ VMSTATE_RUNNING_FT,
+ /** The VM is being reset. */
+ VMSTATE_RESETTING,
+ /** Live save: The VM is being reset and immediately suspended. */
+ VMSTATE_RESETTING_LS,
+ /** The VM is being soft/warm reset. */
+ VMSTATE_SOFT_RESETTING,
+ /** Live save: The VM is being soft/warm reset (not suspended afterwards). */
+ VMSTATE_SOFT_RESETTING_LS,
+ /** The VM is being suspended. */
+ VMSTATE_SUSPENDING,
+ /** Live save: The VM is being suspended during a live save operation, either as
+ * part of the normal flow or VMR3Reset. */
+ VMSTATE_SUSPENDING_LS,
+ /** Live save: The VM is being suspended by VMR3Suspend during live save. */
+ VMSTATE_SUSPENDING_EXT_LS,
+ /** The VM is suspended. */
+ VMSTATE_SUSPENDED,
+ /** Live save: The VM has been suspended and is waiting for the live save
+ * operation to move on. */
+ VMSTATE_SUSPENDED_LS,
+ /** Live save: The VM has been suspended by VMR3Suspend during a live save. */
+ VMSTATE_SUSPENDED_EXT_LS,
+ /** The VM is suspended and its state is being saved by EMT(0). (See SSM) */
+ VMSTATE_SAVING,
+ /** The VM is being debugged. (See DBGF.) */
+ VMSTATE_DEBUGGING,
+ /** Live save: The VM is being debugged while the live phase is going on. */
+ VMSTATE_DEBUGGING_LS,
+ /** The VM is being powered off. */
+ VMSTATE_POWERING_OFF,
+ /** Live save: The VM is being powered off and the save cancelled. */
+ VMSTATE_POWERING_OFF_LS,
+ /** The VM is switched off, awaiting destruction. */
+ VMSTATE_OFF,
+ /** Live save: Waiting for cancellation and transition to VMSTATE_OFF. */
+ VMSTATE_OFF_LS,
+ /** The VM is powered off because of a fatal error. */
+ VMSTATE_FATAL_ERROR,
+ /** Live save: Waiting for cancellation and transition to FatalError. */
+ VMSTATE_FATAL_ERROR_LS,
+ /** The VM is in guru meditation over a fatal failure. */
+ VMSTATE_GURU_MEDITATION,
+ /** Live save: Waiting for cancellation and transition to GuruMeditation. */
+ VMSTATE_GURU_MEDITATION_LS,
+ /** The VM is screwed because of a failed state loading. */
+ VMSTATE_LOAD_FAILURE,
+ /** The VM is being destroyed. */
+ VMSTATE_DESTROYING,
+ /** Terminated. */
+ VMSTATE_TERMINATED,
+ /** hack forcing the size of the enum to 32-bits. */
+ VMSTATE_MAKE_32BIT_HACK = 0x7fffffff
+} VMSTATE;
+
+/** @def VBOXSTRICTRC_STRICT_ENABLED
+ * Indicates that VBOXSTRICTRC is in strict mode.
+ */
+#if defined(__cplusplus) \
+ && ARCH_BITS == 64 /* cdecl requires classes and structs as hidden params. */ \
+ && !defined(_MSC_VER) /* trouble similar to 32-bit gcc. */ \
+ && ( defined(RT_STRICT) \
+ || defined(VBOX_STRICT) \
+ || defined(DEBUG) \
+ || defined(DOXYGEN_RUNNING) )
+# define VBOXSTRICTRC_STRICT_ENABLED 1
+#endif
+
+/** We need RTERR_STRICT_RC. */
+#if defined(VBOXSTRICTRC_STRICT_ENABLED) && !defined(RTERR_STRICT_RC)
+# define RTERR_STRICT_RC 1
+#endif
+
+/**
+ * Strict VirtualBox status code.
+ *
+ * This is normally an 32-bit integer and the only purpose of the type is to
+ * highlight the special handling that is required. But in strict build it is a
+ * class that causes compilation and runtime errors for some of the incorrect
+ * handling.
+ */
+#ifdef VBOXSTRICTRC_STRICT_ENABLED
+struct VBOXSTRICTRC
+{
+protected:
+ /** The status code. */
+ int32_t m_rc;
+
+public:
+ /** Default constructor setting the status to VERR_IPE_UNINITIALIZED_STATUS. */
+ VBOXSTRICTRC()
+#ifdef VERR_IPE_UNINITIALIZED_STATUS
+ : m_rc(VERR_IPE_UNINITIALIZED_STATUS)
+#else
+ : m_rc(-233 /*VERR_IPE_UNINITIALIZED_STATUS*/)
+#endif
+ {
+ }
+
+ /** Constructor for normal integer status codes. */
+ VBOXSTRICTRC(int32_t const rc)
+ : m_rc(rc)
+ {
+ }
+
+ /** Getter that VBOXSTRICTRC_VAL can use. */
+ int32_t getValue() const { return m_rc; }
+
+ /** @name Comparison operators
+ * @{ */
+ bool operator==(int32_t rc) const { return m_rc == rc; }
+ bool operator!=(int32_t rc) const { return m_rc != rc; }
+ bool operator<=(int32_t rc) const { return m_rc <= rc; }
+ bool operator>=(int32_t rc) const { return m_rc >= rc; }
+ bool operator<(int32_t rc) const { return m_rc < rc; }
+ bool operator>(int32_t rc) const { return m_rc > rc; }
+
+ bool operator==(const VBOXSTRICTRC &rRc) const { return m_rc == rRc.m_rc; }
+ bool operator!=(const VBOXSTRICTRC &rRc) const { return m_rc != rRc.m_rc; }
+ bool operator<=(const VBOXSTRICTRC &rRc) const { return m_rc <= rRc.m_rc; }
+ bool operator>=(const VBOXSTRICTRC &rRc) const { return m_rc >= rRc.m_rc; }
+ bool operator<(const VBOXSTRICTRC &rRc) const { return m_rc < rRc.m_rc; }
+ bool operator>(const VBOXSTRICTRC &rRc) const { return m_rc > rRc.m_rc; }
+ /** @} */
+
+ /** Special automatic cast for RT_SUCCESS_NP. */
+ operator RTErrStrictType2() const { return RTErrStrictType2(m_rc); }
+
+private:
+ /** @name Constructors that will prevent some of the bad types.
+ * @{ */
+ VBOXSTRICTRC(uint8_t rc) : m_rc(-999) { NOREF(rc); }
+ VBOXSTRICTRC(uint16_t rc) : m_rc(-999) { NOREF(rc); }
+ VBOXSTRICTRC(uint32_t rc) : m_rc(-999) { NOREF(rc); }
+ VBOXSTRICTRC(uint64_t rc) : m_rc(-999) { NOREF(rc); }
+
+ VBOXSTRICTRC(int8_t rc) : m_rc(-999) { NOREF(rc); }
+ VBOXSTRICTRC(int16_t rc) : m_rc(-999) { NOREF(rc); }
+ VBOXSTRICTRC(int64_t rc) : m_rc(-999) { NOREF(rc); }
+ /** @} */
+};
+# ifdef _MSC_VER
+# pragma warning(disable:4190)
+# endif
+#else
+typedef int32_t VBOXSTRICTRC;
+#endif
+
+/** @def VBOXSTRICTRC_VAL
+ * Explicit getter.
+ * @param rcStrict The strict VirtualBox status code.
+ */
+#ifdef VBOXSTRICTRC_STRICT_ENABLED
+# define VBOXSTRICTRC_VAL(rcStrict) ( (rcStrict).getValue() )
+#else
+# define VBOXSTRICTRC_VAL(rcStrict) (rcStrict)
+#endif
+
+/** @def VBOXSTRICTRC_TODO
+ * Returns that needs dealing with.
+ * @param rcStrict The strict VirtualBox status code.
+ */
+#define VBOXSTRICTRC_TODO(rcStrict) VBOXSTRICTRC_VAL(rcStrict)
+
+
+/** A cross context I/O port range handle. */
+typedef uint64_t IOMIOPORTHANDLE;
+/** Pointer to a cross context I/O port handle. */
+typedef IOMIOPORTHANDLE *PIOMIOPORTHANDLE;
+/** A NIL I/O port handle. */
+#define NIL_IOMIOPORTHANDLE ((uint64_t)UINT64_MAX)
+
+/** A cross context MMIO range handle. */
+typedef uint64_t IOMMMIOHANDLE;
+/** Pointer to a cross context MMIO handle. */
+typedef IOMMMIOHANDLE *PIOMMMIOHANDLE;
+/** A NIL MMIO handle. */
+#define NIL_IOMMMIOHANDLE ((uint64_t)UINT64_MAX)
+
+/** A cross context MMIO2 range handle. */
+typedef uint64_t PGMMMIO2HANDLE;
+/** Pointer to a cross context MMIO2 handle. */
+typedef PGMMMIO2HANDLE *PPGMMMIO2HANDLE;
+/** A NIL MMIO2 handle. */
+#define NIL_PGMMMIO2HANDLE ((uint64_t)UINT64_MAX)
+
+/** Pointer to a PDM Base Interface. */
+typedef struct PDMIBASE *PPDMIBASE;
+/** Pointer to a pointer to a PDM Base Interface. */
+typedef PPDMIBASE *PPPDMIBASE;
+
+/** Pointer to a PDM device instance for the current context. */
+#ifdef IN_RING3
+typedef struct PDMDEVINSR3 *PPDMDEVINS;
+#elif defined(IN_RING0) || defined(DOXYGEN_RUNNING)
+typedef struct PDMDEVINSR0 *PPDMDEVINS;
+#else
+typedef struct PDMDEVINSRC *PPDMDEVINS;
+#endif
+/** Pointer to a pointer a PDM device instance for the current context. */
+typedef PPDMDEVINS *PPPDMDEVINS;
+/** R3 pointer to a PDM device instance. */
+typedef R3PTRTYPE(struct PDMDEVINSR3 *) PPDMDEVINSR3;
+/** R0 pointer to a PDM device instance. */
+typedef R0PTRTYPE(struct PDMDEVINSR0 *) PPDMDEVINSR0;
+/** RC pointer to a PDM device instance. */
+typedef RCPTRTYPE(struct PDMDEVINSRC *) PPDMDEVINSRC;
+
+/** Pointer to a PDM PCI device structure. */
+typedef struct PDMPCIDEV *PPDMPCIDEV;
+/** Pointer to a const PDM PCI device structure. */
+typedef const struct PDMPCIDEV *PCPDMPCIDEV;
+
+/** Pointer to a PDM USB Device Instance. */
+typedef struct PDMUSBINS *PPDMUSBINS;
+/** Pointer to a pointer to a PDM USB Device Instance. */
+typedef PPDMUSBINS *PPPDMUSBINS;
+
+/** Pointer to a PDM Driver Instance. */
+typedef struct PDMDRVINS *PPDMDRVINS;
+/** Pointer to a pointer to a PDM Driver Instance. */
+typedef PPDMDRVINS *PPPDMDRVINS;
+/** R3 pointer to a PDM Driver Instance. */
+typedef R3PTRTYPE(PPDMDRVINS) PPDMDRVINSR3;
+/** R0 pointer to a PDM Driver Instance. */
+typedef R0PTRTYPE(PPDMDRVINS) PPDMDRVINSR0;
+/** RC pointer to a PDM Driver Instance. */
+typedef RCPTRTYPE(PPDMDRVINS) PPDMDRVINSRC;
+
+/** Pointer to a PDM Service Instance. */
+typedef struct PDMSRVINS *PPDMSRVINS;
+/** Pointer to a pointer to a PDM Service Instance. */
+typedef PPDMSRVINS *PPPDMSRVINS;
+
+/** Pointer to a PDM critical section. */
+typedef union PDMCRITSECT *PPDMCRITSECT;
+/** Pointer to a const PDM critical section. */
+typedef const union PDMCRITSECT *PCPDMCRITSECT;
+
+/** Pointer to a PDM read/write critical section. */
+typedef union PDMCRITSECTRW *PPDMCRITSECTRW;
+/** Pointer to a const PDM read/write critical section. */
+typedef union PDMCRITSECTRW const *PCPDMCRITSECTRW;
+
+/** PDM queue handle. */
+typedef uint64_t PDMQUEUEHANDLE;
+/** Pointer to a PDM queue handle. */
+typedef PDMQUEUEHANDLE *PPDMQUEUEHANDLE;
+/** NIL PDM queue handle. */
+#define NIL_PDMQUEUEHANDLE ((PDMQUEUEHANDLE)UINT64_MAX)
+
+/** R3 pointer to a timer. */
+typedef R3PTRTYPE(struct TMTIMER *) PTMTIMERR3;
+/** Pointer to a R3 pointer to a timer. */
+typedef PTMTIMERR3 *PPTMTIMERR3;
+
+/** R0 pointer to a timer. */
+typedef R0PTRTYPE(struct TMTIMER *) PTMTIMERR0;
+/** Pointer to a R3 pointer to a timer. */
+typedef PTMTIMERR0 *PPTMTIMERR0;
+
+/** RC pointer to a timer. */
+typedef RCPTRTYPE(struct TMTIMER *) PTMTIMERRC;
+/** Pointer to a RC pointer to a timer. */
+typedef PTMTIMERRC *PPTMTIMERRC;
+
+/** Pointer to a timer. */
+typedef CTX_SUFF(PTMTIMER) PTMTIMER;
+/** Pointer to a pointer to a timer. */
+typedef PTMTIMER *PPTMTIMER;
+
+/** A cross context timer handle. */
+typedef uint64_t TMTIMERHANDLE;
+/** Pointer to a cross context timer handle. */
+typedef TMTIMERHANDLE *PTMTIMERHANDLE;
+/** A NIL timer handle. */
+#define NIL_TMTIMERHANDLE ((uint64_t)UINT64_MAX)
+
+/** SSM Operation handle. */
+typedef struct SSMHANDLE *PSSMHANDLE;
+/** Pointer to a const SSM stream method table. */
+typedef struct SSMSTRMOPS const *PCSSMSTRMOPS;
+
+/** Pointer to a CPUMCTX. */
+typedef struct CPUMCTX *PCPUMCTX;
+/** Pointer to a const CPUMCTX. */
+typedef const struct CPUMCTX *PCCPUMCTX;
+
+/** Pointer to a selector register. */
+typedef struct CPUMSELREG *PCPUMSELREG;
+/** Pointer to a const selector register. */
+typedef const struct CPUMSELREG *PCCPUMSELREG;
+
+/** Pointer to selector hidden registers.
+ * @deprecated Replaced by PCPUMSELREG */
+typedef struct CPUMSELREG *PCPUMSELREGHID;
+/** Pointer to const selector hidden registers.
+ * @deprecated Replaced by PCCPUMSELREG */
+typedef const struct CPUMSELREG *PCCPUMSELREGHID;
+
+/** A cross context DBGF tracer event source handle. */
+typedef uint64_t DBGFTRACEREVTSRC;
+/** Pointer to a cross context DBGF tracer event source handle. */
+typedef DBGFTRACEREVTSRC *PDBGFTRACEREVTSRC;
+/** A NIL DBGF tracer event source handle. */
+#define NIL_DBGFTRACEREVTSRC ((uint64_t)UINT64_MAX)
+
+/** Pointer to a DBGF tracer instance for the current context. */
+#ifdef IN_RING3
+typedef struct DBGFTRACERINSR3 *PDBGFTRACERINSCC;
+#elif defined(IN_RING0) || defined(DOXYGEN_RUNNING)
+typedef struct DBGFTRACERINSR0 *PDBGFTRACERINSCC;
+#else
+typedef struct DBGFTRACERINSRC *PDBGFTRACERINSCC;
+#endif
+/** Pointer to a pointer a DBGF tracer instance for the current context. */
+typedef PDBGFTRACERINSCC *PPDBGFTRACERINSCC;
+/** R3 pointer to a DBGF tracer instance. */
+typedef R3PTRTYPE(struct DBGFTRACERINSR3 *) PDBGFTRACERINSR3;
+/** R0 pointer to a DBGF tracer instance. */
+typedef R0PTRTYPE(struct DBGFTRACERINSR0 *) PDBGFTRACERINSR0;
+/** RC pointer to a DBGF tracer instance. */
+typedef RCPTRTYPE(struct DBGFTRACERINSRC *) PDBGFTRACERINSRC;
+
+/** A cross context DBGF breakpoint owner handle. */
+typedef uint32_t DBGFBPOWNER;
+/** Pointer to a cross context DBGF breakpoint owner handle. */
+typedef DBGFBPOWNER *PDBGFBPOWNER;
+/** A NIL DBGF breakpoint owner handle. */
+#define NIL_DBGFBPOWNER ((uint32_t)UINT32_MAX)
+
+/** A cross context DBGF breakpoint handle. */
+typedef uint32_t DBGFBP;
+/** Pointer to a cross context DBGF breakpoint handle. */
+typedef DBGFBP *PDBGFBP;
+/** A NIL DBGF breakpoint handle. */
+#define NIL_DBGFBP ((uint32_t)UINT32_MAX)
+
+/** A sample report handle. */
+typedef struct DBGFSAMPLEREPORTINT *DBGFSAMPLEREPORT;
+/** Pointer to a sample report handle. */
+typedef DBGFSAMPLEREPORT *PDBGFSAMPLEREPORT;
+/** @} */
+
+
+/** @defgroup grp_types_idt Interrupt Descriptor Table Entry.
+ * @todo This all belongs in x86.h!
+ * @{ */
+
+/** @todo VBOXIDT -> VBOXDESCIDT, skip the complex variations. We'll never use them. */
+
+/** IDT Entry, Task Gate view. */
+#pragma pack(1) /* paranoia */
+typedef struct VBOXIDTE_TASKGATE
+{
+ /** Reserved. */
+ unsigned u16Reserved1 : 16;
+ /** Task Segment Selector. */
+ unsigned u16TSS : 16;
+ /** More reserved. */
+ unsigned u8Reserved2 : 8;
+ /** Fixed value bit 0 - Set to 1. */
+ unsigned u1Fixed0 : 1;
+ /** Busy bit. */
+ unsigned u1Busy : 1;
+ /** Fixed value bit 2 - Set to 1. */
+ unsigned u1Fixed1 : 1;
+ /** Fixed value bit 3 - Set to 0. */
+ unsigned u1Fixed2 : 1;
+ /** Fixed value bit 4 - Set to 0. */
+ unsigned u1Fixed3 : 1;
+ /** Descriptor Privilege level. */
+ unsigned u2DPL : 2;
+ /** Present flag. */
+ unsigned u1Present : 1;
+ /** Reserved. */
+ unsigned u16Reserved3 : 16;
+} VBOXIDTE_TASKGATE;
+#pragma pack()
+/** Pointer to IDT Entry, Task gate view. */
+typedef VBOXIDTE_TASKGATE *PVBOXIDTE_TASKGATE;
+
+
+/** IDT Entry, Intertupt gate view. */
+#pragma pack(1) /* paranoia */
+typedef struct VBOXIDTE_INTERRUPTGATE
+{
+ /** Low offset word. */
+ unsigned u16OffsetLow : 16;
+ /** Segment Selector. */
+ unsigned u16SegSel : 16;
+ /** Reserved. */
+ unsigned u5Reserved2 : 5;
+ /** Fixed value bit 0 - Set to 0. */
+ unsigned u1Fixed0 : 1;
+ /** Fixed value bit 1 - Set to 0. */
+ unsigned u1Fixed1 : 1;
+ /** Fixed value bit 2 - Set to 0. */
+ unsigned u1Fixed2 : 1;
+ /** Fixed value bit 3 - Set to 0. */
+ unsigned u1Fixed3 : 1;
+ /** Fixed value bit 4 - Set to 1. */
+ unsigned u1Fixed4 : 1;
+ /** Fixed value bit 5 - Set to 1. */
+ unsigned u1Fixed5 : 1;
+ /** Gate size, 1 = 32 bits, 0 = 16 bits. */
+ unsigned u132BitGate : 1;
+ /** Fixed value bit 5 - Set to 0. */
+ unsigned u1Fixed6 : 1;
+ /** Descriptor Privilege level. */
+ unsigned u2DPL : 2;
+ /** Present flag. */
+ unsigned u1Present : 1;
+ /** High offset word. */
+ unsigned u16OffsetHigh : 16;
+} VBOXIDTE_INTERRUPTGATE;
+#pragma pack()
+/** Pointer to IDT Entry, Interrupt gate view. */
+typedef VBOXIDTE_INTERRUPTGATE *PVBOXIDTE_INTERRUPTGATE;
+
+/** IDT Entry, Trap Gate view. */
+#pragma pack(1) /* paranoia */
+typedef struct VBOXIDTE_TRAPGATE
+{
+ /** Low offset word. */
+ unsigned u16OffsetLow : 16;
+ /** Segment Selector. */
+ unsigned u16SegSel : 16;
+ /** Reserved. */
+ unsigned u5Reserved2 : 5;
+ /** Fixed value bit 0 - Set to 0. */
+ unsigned u1Fixed0 : 1;
+ /** Fixed value bit 1 - Set to 0. */
+ unsigned u1Fixed1 : 1;
+ /** Fixed value bit 2 - Set to 0. */
+ unsigned u1Fixed2 : 1;
+ /** Fixed value bit 3 - Set to 1. */
+ unsigned u1Fixed3 : 1;
+ /** Fixed value bit 4 - Set to 1. */
+ unsigned u1Fixed4 : 1;
+ /** Fixed value bit 5 - Set to 1. */
+ unsigned u1Fixed5 : 1;
+ /** Gate size, 1 = 32 bits, 0 = 16 bits. */
+ unsigned u132BitGate : 1;
+ /** Fixed value bit 5 - Set to 0. */
+ unsigned u1Fixed6 : 1;
+ /** Descriptor Privilege level. */
+ unsigned u2DPL : 2;
+ /** Present flag. */
+ unsigned u1Present : 1;
+ /** High offset word. */
+ unsigned u16OffsetHigh : 16;
+} VBOXIDTE_TRAPGATE;
+#pragma pack()
+/** Pointer to IDT Entry, Trap Gate view. */
+typedef VBOXIDTE_TRAPGATE *PVBOXIDTE_TRAPGATE;
+
+/** IDT Entry Generic view. */
+#pragma pack(1) /* paranoia */
+typedef struct VBOXIDTE_GENERIC
+{
+ /** Low offset word. */
+ unsigned u16OffsetLow : 16;
+ /** Segment Selector. */
+ unsigned u16SegSel : 16;
+ /** Reserved. */
+ unsigned u5Reserved : 5;
+ /** IDT Type part one (not used for task gate). */
+ unsigned u3Type1 : 3;
+ /** IDT Type part two. */
+ unsigned u5Type2 : 5;
+ /** Descriptor Privilege level. */
+ unsigned u2DPL : 2;
+ /** Present flag. */
+ unsigned u1Present : 1;
+ /** High offset word. */
+ unsigned u16OffsetHigh : 16;
+} VBOXIDTE_GENERIC;
+#pragma pack()
+/** Pointer to IDT Entry Generic view. */
+typedef VBOXIDTE_GENERIC *PVBOXIDTE_GENERIC;
+
+/** IDT Type1 value. (Reserved for task gate!) */
+#define VBOX_IDTE_TYPE1 0
+/** IDT Type2 value - Task gate. */
+#define VBOX_IDTE_TYPE2_TASK 0x5
+/** IDT Type2 value - 16 bit interrupt gate. */
+#define VBOX_IDTE_TYPE2_INT_16 0x6
+/** IDT Type2 value - 32 bit interrupt gate. */
+#define VBOX_IDTE_TYPE2_INT_32 0xe
+/** IDT Type2 value - 16 bit trap gate. */
+#define VBOX_IDTE_TYPE2_TRAP_16 0x7
+/** IDT Type2 value - 32 bit trap gate. */
+#define VBOX_IDTE_TYPE2_TRAP_32 0xf
+
+/** IDT Entry. */
+#pragma pack(1) /* paranoia */
+typedef union VBOXIDTE
+{
+ /** Task gate view. */
+ VBOXIDTE_TASKGATE Task;
+ /** Trap gate view. */
+ VBOXIDTE_TRAPGATE Trap;
+ /** Interrupt gate view. */
+ VBOXIDTE_INTERRUPTGATE Int;
+ /** Generic IDT view. */
+ VBOXIDTE_GENERIC Gen;
+
+ /** 8 bit unsigned integer view. */
+ uint8_t au8[8];
+ /** 16 bit unsigned integer view. */
+ uint16_t au16[4];
+ /** 32 bit unsigned integer view. */
+ uint32_t au32[2];
+ /** 64 bit unsigned integer view. */
+ uint64_t au64;
+} VBOXIDTE;
+#pragma pack()
+/** Pointer to IDT Entry. */
+typedef VBOXIDTE *PVBOXIDTE;
+/** Pointer to IDT Entry. */
+typedef VBOXIDTE const *PCVBOXIDTE;
+
+/** IDT Entry, 64-bit mode, Intertupt gate view. */
+#pragma pack(1) /* paranoia */
+typedef struct VBOXIDTE64_INTERRUPTGATE
+{
+ /** Low offset word. */
+ unsigned u16OffsetLow : 16;
+ /** Segment Selector. */
+ unsigned u16SegSel : 16;
+ /** Interrupt Stack Table Index. */
+ unsigned u3Ist : 3;
+ /** Fixed value bit 0 - Set to 0. */
+ unsigned u1Fixed0 : 1;
+ /** Fixed value bit 1 - Set to 0. */
+ unsigned u1Fixed1 : 1;
+ /** Fixed value bit 2 - Set to 0. */
+ unsigned u1Fixed2 : 1;
+ /** Fixed value bit 3 - Set to 0. */
+ unsigned u1Fixed3 : 1;
+ /** Fixed value bit 4 - Set to 0. */
+ unsigned u1Fixed4 : 1;
+ /** Fixed value bit 5 - Set to 0. */
+ unsigned u1Fixed5 : 1;
+ /** Fixed value bit 6 - Set to 1. */
+ unsigned u1Fixed6 : 1;
+ /** Fixed value bit 7 - Set to 1. */
+ unsigned u1Fixed7 : 1;
+ /** Gate size, 1 = 32 bits, 0 = 16 bits. */
+ unsigned u132BitGate : 1;
+ /** Fixed value bit 5 - Set to 0. */
+ unsigned u1Fixed8 : 1;
+ /** Descriptor Privilege level. */
+ unsigned u2DPL : 2;
+ /** Present flag. */
+ unsigned u1Present : 1;
+ /** High offset word. */
+ unsigned u16OffsetHigh : 16;
+ /** Offset bits 32..63. */
+ unsigned u32OffsetHigh64;
+ /** Reserved. */
+ unsigned u32Reserved;
+} VBOXIDTE64_INTERRUPTGATE;
+#pragma pack()
+/** Pointer to IDT Entry, 64-bit mode, Interrupt gate view. */
+typedef VBOXIDTE64_INTERRUPTGATE *PVBOXIDTE64_INTERRUPTGATE;
+
+/** IDT Entry, 64-bit mode, Trap gate view. */
+#pragma pack(1) /* paranoia */
+typedef struct VBOXIDTE64_TRAPGATE
+{
+ /** Low offset word. */
+ unsigned u16OffsetLow : 16;
+ /** Segment Selector. */
+ unsigned u16SegSel : 16;
+ /** Interrupt Stack Table Index. */
+ unsigned u3Ist : 3;
+ /** Fixed value bit 0 - Set to 0. */
+ unsigned u1Fixed0 : 1;
+ /** Fixed value bit 1 - Set to 0. */
+ unsigned u1Fixed1 : 1;
+ /** Fixed value bit 2 - Set to 0. */
+ unsigned u1Fixed2 : 1;
+ /** Fixed value bit 3 - Set to 0. */
+ unsigned u1Fixed3 : 1;
+ /** Fixed value bit 4 - Set to 0. */
+ unsigned u1Fixed4 : 1;
+ /** Fixed value bit 5 - Set to 1. */
+ unsigned u1Fixed5 : 1;
+ /** Fixed value bit 6 - Set to 1. */
+ unsigned u1Fixed6 : 1;
+ /** Fixed value bit 7 - Set to 1. */
+ unsigned u1Fixed7 : 1;
+ /** Gate size, 1 = 32 bits, 0 = 16 bits. */
+ unsigned u132BitGate : 1;
+ /** Fixed value bit 5 - Set to 0. */
+ unsigned u1Fixed8 : 1;
+ /** Descriptor Privilege level. */
+ unsigned u2DPL : 2;
+ /** Present flag. */
+ unsigned u1Present : 1;
+ /** High offset word. */
+ unsigned u16OffsetHigh : 16;
+ /** Offset bits 32..63. */
+ unsigned u32OffsetHigh64;
+ /** Reserved. */
+ unsigned u32Reserved;
+} VBOXIDTE64_TRAPGATE;
+#pragma pack()
+/** Pointer to IDT Entry, 64-bit mode, Trap gate view. */
+typedef VBOXIDTE64_TRAPGATE *PVBOXIDTE64_TRAPGATE;
+
+/** IDT Entry, 64-bit mode, Generic view. */
+#pragma pack(1) /* paranoia */
+typedef struct VBOXIDTE64_GENERIC
+{
+ /** Low offset word. */
+ unsigned u16OffsetLow : 16;
+ /** Segment Selector. */
+ unsigned u16SegSel : 16;
+ /** Reserved. */
+ unsigned u3Ist : 3;
+ /** Fixed value bit 0 - Set to 0. */
+ unsigned u1Fixed0 : 1;
+ /** Fixed value bit 1 - Set to 0. */
+ unsigned u1Fixed1 : 1;
+ /** IDT Type part one (not used for task gate). */
+ unsigned u3Type1 : 3;
+ /** IDT Type part two. */
+ unsigned u5Type2 : 5;
+ /** Descriptor Privilege level. */
+ unsigned u2DPL : 2;
+ /** Present flag. */
+ unsigned u1Present : 1;
+ /** High offset word. */
+ unsigned u16OffsetHigh : 16;
+ /** Offset bits 32..63. */
+ unsigned u32OffsetHigh64;
+ /** Reserved. */
+ unsigned u32Reserved;
+} VBOXIDTE64_GENERIC;
+#pragma pack()
+/** Pointer to IDT Entry, 64-bit mode, Generic view. */
+typedef VBOXIDTE64_GENERIC *PVBOXIDTE64_GENERIC;
+
+/** IDT Entry, 64-bit mode. */
+#pragma pack(1) /* paranoia */
+typedef union VBOXIDTE64
+{
+ /** Trap gate view. */
+ VBOXIDTE64_TRAPGATE Trap;
+ /** Interrupt gate view. */
+ VBOXIDTE64_INTERRUPTGATE Int;
+ /** Generic IDT view. */
+ VBOXIDTE64_GENERIC Gen;
+
+ /** 8 bit unsigned integer view. */
+ uint8_t au8[16];
+ /** 16 bit unsigned integer view. */
+ uint16_t au16[8];
+ /** 32 bit unsigned integer view. */
+ uint32_t au32[4];
+ /** 64 bit unsigned integer view. */
+ uint64_t au64[2];
+} VBOXIDTE64;
+#pragma pack()
+/** Pointer to IDT Entry. */
+typedef VBOXIDTE64 *PVBOXIDTE64;
+/** Pointer to IDT Entry. */
+typedef VBOXIDTE64 const *PCVBOXIDTE64;
+
+#pragma pack(1)
+/** IDTR */
+typedef struct VBOXIDTR
+{
+ /** Size of the IDT. */
+ uint16_t cbIdt;
+ /** Address of the IDT. */
+ uint64_t pIdt;
+} VBOXIDTR, *PVBOXIDTR;
+#pragma pack()
+
+
+/** @def VBOXIDTE_OFFSET
+ * Return the offset of an IDT entry.
+ */
+#define VBOXIDTE_OFFSET(desc) \
+ ( ((uint32_t)((desc).Gen.u16OffsetHigh) << 16) \
+ | ( (desc).Gen.u16OffsetLow ) )
+
+/** @def VBOXIDTE64_OFFSET
+ * Return the offset of an IDT entry.
+ */
+#define VBOXIDTE64_OFFSET(desc) \
+ ( ((uint64_t)((desc).Gen.u32OffsetHigh64) << 32) \
+ | ((uint32_t)((desc).Gen.u16OffsetHigh) << 16) \
+ | ( (desc).Gen.u16OffsetLow ) )
+
+#pragma pack(1)
+/** GDTR */
+typedef struct VBOXGDTR
+{
+ /** Size of the GDT. */
+ uint16_t cbGdt;
+ /** Address of the GDT. */
+ uint64_t pGdt;
+} VBOXGDTR;
+#pragma pack()
+/** Pointer to GDTR. */
+typedef VBOXGDTR *PVBOXGDTR;
+
+/** @} */
+
+
+/**
+ * 32-bit Task Segment used in raw mode.
+ * @todo Move this to SELM! Use X86TSS32 instead.
+ */
+#pragma pack(1)
+typedef struct VBOXTSS
+{
+ /** 0x00 - Back link to previous task. (static) */
+ RTSEL selPrev;
+ uint16_t padding1;
+ /** 0x04 - Ring-0 stack pointer. (static) */
+ uint32_t esp0;
+ /** 0x08 - Ring-0 stack segment. (static) */
+ RTSEL ss0;
+ uint16_t padding_ss0;
+ /** 0x0c - Ring-1 stack pointer. (static) */
+ uint32_t esp1;
+ /** 0x10 - Ring-1 stack segment. (static) */
+ RTSEL ss1;
+ uint16_t padding_ss1;
+ /** 0x14 - Ring-2 stack pointer. (static) */
+ uint32_t esp2;
+ /** 0x18 - Ring-2 stack segment. (static) */
+ RTSEL ss2;
+ uint16_t padding_ss2;
+ /** 0x1c - Page directory for the task. (static) */
+ uint32_t cr3;
+ /** 0x20 - EIP before task switch. */
+ uint32_t eip;
+ /** 0x24 - EFLAGS before task switch. */
+ uint32_t eflags;
+ /** 0x28 - EAX before task switch. */
+ uint32_t eax;
+ /** 0x2c - ECX before task switch. */
+ uint32_t ecx;
+ /** 0x30 - EDX before task switch. */
+ uint32_t edx;
+ /** 0x34 - EBX before task switch. */
+ uint32_t ebx;
+ /** 0x38 - ESP before task switch. */
+ uint32_t esp;
+ /** 0x3c - EBP before task switch. */
+ uint32_t ebp;
+ /** 0x40 - ESI before task switch. */
+ uint32_t esi;
+ /** 0x44 - EDI before task switch. */
+ uint32_t edi;
+ /** 0x48 - ES before task switch. */
+ RTSEL es;
+ uint16_t padding_es;
+ /** 0x4c - CS before task switch. */
+ RTSEL cs;
+ uint16_t padding_cs;
+ /** 0x50 - SS before task switch. */
+ RTSEL ss;
+ uint16_t padding_ss;
+ /** 0x54 - DS before task switch. */
+ RTSEL ds;
+ uint16_t padding_ds;
+ /** 0x58 - FS before task switch. */
+ RTSEL fs;
+ uint16_t padding_fs;
+ /** 0x5c - GS before task switch. */
+ RTSEL gs;
+ uint16_t padding_gs;
+ /** 0x60 - LDTR before task switch. */
+ RTSEL selLdt;
+ uint16_t padding_ldt;
+ /** 0x64 - Debug trap flag */
+ uint16_t fDebugTrap;
+ /** 0x66 - Offset relative to the TSS of the start of the I/O Bitmap
+ * and the end of the interrupt redirection bitmap. */
+ uint16_t offIoBitmap;
+ /** 0x68 - 32 bytes for the virtual interrupt redirection bitmap. (VME) */
+ uint8_t IntRedirBitmap[32];
+} VBOXTSS;
+#pragma pack()
+/** Pointer to task segment. */
+typedef VBOXTSS *PVBOXTSS;
+/** Pointer to const task segment. */
+typedef const VBOXTSS *PCVBOXTSS;
+
+
+/** Pointer to a callback method table provided by the VM API user. */
+typedef struct VMM2USERMETHODS const *PCVMM2USERMETHODS;
+
+
+/**
+ * Data transport buffer (scatter/gather)
+ */
+typedef struct PDMDATASEG
+{
+ /** Length of buffer in entry. */
+ size_t cbSeg;
+ /** Pointer to the start of the buffer. */
+ void *pvSeg;
+} PDMDATASEG;
+/** Pointer to a data transport segment. */
+typedef PDMDATASEG *PPDMDATASEG;
+/** Pointer to a const data transport segment. */
+typedef PDMDATASEG const *PCPDMDATASEG;
+
+
+/**
+ * Forms of generic segment offloading.
+ */
+typedef enum PDMNETWORKGSOTYPE
+{
+ /** Invalid zero value. */
+ PDMNETWORKGSOTYPE_INVALID = 0,
+ /** TCP/IPv4 - no CWR/ECE encoding. */
+ PDMNETWORKGSOTYPE_IPV4_TCP,
+ /** TCP/IPv6 - no CWR/ECE encoding. */
+ PDMNETWORKGSOTYPE_IPV6_TCP,
+ /** UDP/IPv4. */
+ PDMNETWORKGSOTYPE_IPV4_UDP,
+ /** UDP/IPv6. */
+ PDMNETWORKGSOTYPE_IPV6_UDP,
+ /** TCP/IPv6 over IPv4 tunneling - no CWR/ECE encoding.
+ * The header offsets and sizes relates to IPv4 and TCP, the IPv6 header is
+ * figured out as needed.
+ * @todo Needs checking against facts, this is just an outline of the idea. */
+ PDMNETWORKGSOTYPE_IPV4_IPV6_TCP,
+ /** UDP/IPv6 over IPv4 tunneling.
+ * The header offsets and sizes relates to IPv4 and UDP, the IPv6 header is
+ * figured out as needed.
+ * @todo Needs checking against facts, this is just an outline of the idea. */
+ PDMNETWORKGSOTYPE_IPV4_IPV6_UDP,
+ /** The end of valid GSO types. */
+ PDMNETWORKGSOTYPE_END
+} PDMNETWORKGSOTYPE;
+
+
+/**
+ * Generic segment offloading context.
+ *
+ * We generally follow the E1000 specs wrt to which header fields we change.
+ * However the GSO type implies where the checksum fields are and that they are
+ * always updated from scratch (no half done pseudo checksums).
+ *
+ * @remarks This is part of the internal network GSO packets. Take great care
+ * when making changes. The size is expected to be exactly 8 bytes.
+ *
+ * @ingroup grp_pdm
+ */
+typedef struct PDMNETWORKGSO
+{
+ /** The type of segmentation offloading we're performing (PDMNETWORKGSOTYPE). */
+ uint8_t u8Type;
+ /** The total header size. */
+ uint8_t cbHdrsTotal;
+ /** The max segment size (MSS) to apply. */
+ uint16_t cbMaxSeg;
+
+ /** Offset of the first header (IPv4 / IPv6). 0 if not not needed. */
+ uint8_t offHdr1;
+ /** Offset of the second header (TCP / UDP). 0 if not not needed. */
+ uint8_t offHdr2;
+ /** The header size used for segmentation (equal to offHdr2 in UFO). */
+ uint8_t cbHdrsSeg;
+ /** Unused. */
+ uint8_t u8Unused;
+} PDMNETWORKGSO;
+/** Pointer to a GSO context.
+ * @ingroup grp_pdm */
+typedef PDMNETWORKGSO *PPDMNETWORKGSO;
+/** Pointer to a const GSO context.
+ * @ingroup grp_pdm */
+typedef PDMNETWORKGSO const *PCPDMNETWORKGSO;
+
+/** Pointer to a PDM filter handle.
+ * @ingroup grp_pdm_net_shaper */
+typedef struct PDMNSFILTER *PPDMNSFILTER;
+/** Pointer to a network shaper.
+ * @ingroup grp_pdm_net_shaper */
+typedef struct PDMNETSHAPER *PPDMNETSHAPER;
+
+
+/**
+ * The current ROM page protection.
+ *
+ * @remarks This is part of the saved state.
+ * @ingroup grp_pgm
+ */
+typedef enum PGMROMPROT
+{
+ /** The customary invalid value. */
+ PGMROMPROT_INVALID = 0,
+ /** Read from the virgin ROM page, ignore writes.
+ * Map the virgin page, use write access handler to ignore writes. */
+ PGMROMPROT_READ_ROM_WRITE_IGNORE,
+ /** Read from the virgin ROM page, write to the shadow RAM.
+ * Map the virgin page, use write access handler to change the shadow RAM. */
+ PGMROMPROT_READ_ROM_WRITE_RAM,
+ /** Read from the shadow ROM page, ignore writes.
+ * Map the shadow page read-only, use write access handler to ignore writes. */
+ PGMROMPROT_READ_RAM_WRITE_IGNORE,
+ /** Read from the shadow ROM page, ignore writes.
+ * Map the shadow page read-write, disabled write access handler. */
+ PGMROMPROT_READ_RAM_WRITE_RAM,
+ /** The end of valid values. */
+ PGMROMPROT_END,
+ /** The usual 32-bit type size hack. */
+ PGMROMPROT_32BIT_HACK = 0x7fffffff
+} PGMROMPROT;
+
+
+/**
+ * Page mapping lock.
+ * @ingroup grp_pgm
+ */
+typedef struct PGMPAGEMAPLOCK
+{
+#if defined(IN_RC)
+ /** The locked page. */
+ void *pvPage;
+ /** Pointer to the CPU that made the mapping.
+ * In ring-0 and raw-mode context we don't intend to ever allow long term
+ * locking and this is a way of making sure we're still on the same CPU. */
+ PVMCPU pVCpu;
+#else
+ /** Pointer to the PGMPAGE and lock type.
+ * bit-0 abuse: set=write, clear=read. */
+ uintptr_t uPageAndType;
+/** Read lock type value. */
+# define PGMPAGEMAPLOCK_TYPE_READ ((uintptr_t)0)
+/** Write lock type value. */
+# define PGMPAGEMAPLOCK_TYPE_WRITE ((uintptr_t)1)
+/** Lock type mask. */
+# define PGMPAGEMAPLOCK_TYPE_MASK ((uintptr_t)1)
+ /** Pointer to the PGMCHUNKR3MAP. */
+ void *pvMap;
+#endif
+} PGMPAGEMAPLOCK;
+/** Pointer to a page mapping lock.
+ * @ingroup grp_pgm */
+typedef PGMPAGEMAPLOCK *PPGMPAGEMAPLOCK;
+
+
+/** Pointer to a info helper callback structure. */
+typedef struct DBGFINFOHLP *PDBGFINFOHLP;
+/** Pointer to a const info helper callback structure. */
+typedef const struct DBGFINFOHLP *PCDBGFINFOHLP;
+
+/** Pointer to a const register descriptor. */
+typedef struct DBGFREGDESC const *PCDBGFREGDESC;
+
+
+/** Configuration manager tree node - A key. */
+typedef struct CFGMNODE *PCFGMNODE;
+
+/** Configuration manager tree leaf - A value. */
+typedef struct CFGMLEAF *PCFGMLEAF;
+
+
+/**
+ * CPU modes.
+ */
+typedef enum CPUMMODE
+{
+ /** The usual invalid zero entry. */
+ CPUMMODE_INVALID = 0,
+ /** Real mode. */
+ CPUMMODE_REAL,
+ /** Protected mode (32-bit). */
+ CPUMMODE_PROTECTED,
+ /** Long mode (64-bit). */
+ CPUMMODE_LONG
+} CPUMMODE;
+
+
+/**
+ * CPU mode flags (DISSTATE::mode).
+ */
+typedef enum DISCPUMODE
+{
+ DISCPUMODE_INVALID = 0,
+ DISCPUMODE_16BIT,
+ DISCPUMODE_32BIT,
+ DISCPUMODE_64BIT,
+ /** hack forcing the size of the enum to 32-bits. */
+ DISCPUMODE_MAKE_32BIT_HACK = 0x7fffffff
+} DISCPUMODE;
+
+/** Pointer to the disassembler state. */
+typedef struct DISSTATE *PDISSTATE;
+/** Pointer to a const disassembler state. */
+typedef struct DISSTATE const *PCDISSTATE;
+
+/** @deprecated PDISSTATE and change pCpu and pDisState to pDis. */
+typedef PDISSTATE PDISCPUSTATE;
+/** @deprecated PCDISSTATE and change pCpu and pDisState to pDis. */
+typedef PCDISSTATE PCDISCPUSTATE;
+
+
+/**
+ * Shared region description (needed by GMM and others, thus global).
+ * @ingroup grp_vmmdev
+ */
+typedef struct VMMDEVSHAREDREGIONDESC
+{
+ RTGCPTR64 GCRegionAddr;
+ uint32_t cbRegion;
+ uint32_t u32Alignment;
+} VMMDEVSHAREDREGIONDESC;
+
+
+/**
+ * A PCI bus:device:function (BDF) identifier.
+ *
+ * All 16 bits of a BDF are valid according to the PCI spec. We need one extra bit
+ * to determine whether the BDF is valid in interfaces where the BDF may be
+ * optional.
+ */
+typedef uint32_t PCIBDF;
+/** PCIBDF flag: Invalid. */
+#define PCI_BDF_F_INVALID RT_BIT(31)
+/** Nil PCIBDF value. */
+#define NIL_PCIBDF PCI_BDF_F_INVALID
+
+/** Pointer to an MSI message struct. */
+typedef struct MSIMSG *PMSIMSG;
+/** Pointer to a const MSI message struct. */
+typedef const struct MSIMSG *PCMSIMSG;
+
+
+/** @} */
+
+#endif /* !VBOX_INCLUDED_types_h */