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/** @file
* Virtual Device for Guest <-> VMM/Host communication (ADD,DEV).
*/
/*
* Copyright (C) 2006-2015 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_VMMDev_h
#define ___VBox_VMMDev_h
#include <VBox/cdefs.h>
#include <VBox/param.h> /* for the PCI IDs. */
#include <VBox/types.h>
#include <VBox/err.h>
#include <VBox/ostypes.h>
#include <VBox/VMMDev2.h>
#include <iprt/assert.h>
#pragma pack(4) /* force structure dword packing here. */
RT_C_DECLS_BEGIN
/** @defgroup grp_vmmdev VMM Device
*
* @note This interface cannot be changed, it can only be extended!
*
* @{
*/
/** Size of VMMDev RAM region accessible by guest.
* Must be big enough to contain VMMDevMemory structure (see further down).
* For now: 4 megabyte.
*/
#define VMMDEV_RAM_SIZE (4 * 256 * PAGE_SIZE)
/** Size of VMMDev heap region accessible by guest.
* (Must be a power of two (pci range).)
*/
#define VMMDEV_HEAP_SIZE (4 * PAGE_SIZE)
/** Port for generic request interface (relative offset). */
#define VMMDEV_PORT_OFF_REQUEST 0
/** @name VMMDev events.
*
* Used mainly by VMMDevReq_AcknowledgeEvents/VMMDevEvents and version 1.3 of
* VMMDevMemory.
*
* @{
*/
/** Host mouse capabilities has been changed. */
#define VMMDEV_EVENT_MOUSE_CAPABILITIES_CHANGED RT_BIT(0)
/** HGCM event. */
#define VMMDEV_EVENT_HGCM RT_BIT(1)
/** A display change request has been issued. */
#define VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST RT_BIT(2)
/** Credentials are available for judgement. */
#define VMMDEV_EVENT_JUDGE_CREDENTIALS RT_BIT(3)
/** The guest has been restored. */
#define VMMDEV_EVENT_RESTORED RT_BIT(4)
/** Seamless mode state changed. */
#define VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST RT_BIT(5)
/** Memory balloon size changed. */
#define VMMDEV_EVENT_BALLOON_CHANGE_REQUEST RT_BIT(6)
/** Statistics interval changed. */
#define VMMDEV_EVENT_STATISTICS_INTERVAL_CHANGE_REQUEST RT_BIT(7)
/** VRDP status changed. */
#define VMMDEV_EVENT_VRDP RT_BIT(8)
/** New mouse position data available. */
#define VMMDEV_EVENT_MOUSE_POSITION_CHANGED RT_BIT(9)
/** CPU hotplug event occurred. */
#define VMMDEV_EVENT_CPU_HOTPLUG RT_BIT(10)
/** The mask of valid events, for sanity checking. */
#define VMMDEV_EVENT_VALID_EVENT_MASK UINT32_C(0x000007ff)
/** @} */
/** @defgroup grp_vmmdev_req VMMDev Generic Request Interface
* @{
*/
/** @name Current version of the VMMDev interface.
*
* Additions are allowed to work only if
* additions_major == vmmdev_current && additions_minor <= vmmdev_current.
* Additions version is reported to host (VMMDev) by VMMDevReq_ReportGuestInfo.
*
* @remarks These defines also live in the 16-bit and assembly versions of this
* header.
*/
#define VMMDEV_VERSION 0x00010004
#define VMMDEV_VERSION_MAJOR (VMMDEV_VERSION >> 16)
#define VMMDEV_VERSION_MINOR (VMMDEV_VERSION & 0xffff)
/** @} */
/** Maximum request packet size. */
#define VMMDEV_MAX_VMMDEVREQ_SIZE _1M
/** Maximum number of HGCM parameters. */
#define VMMDEV_MAX_HGCM_PARMS 1024
/** Maximum total size of hgcm buffers in one call. */
#define VMMDEV_MAX_HGCM_DATA_SIZE UINT32_C(0x7FFFFFFF)
/**
* VMMDev request types.
* @note when updating this, adjust vmmdevGetRequestSize() as well
*/
typedef enum
{
VMMDevReq_InvalidRequest = 0,
VMMDevReq_GetMouseStatus = 1,
VMMDevReq_SetMouseStatus = 2,
VMMDevReq_SetPointerShape = 3,
VMMDevReq_GetHostVersion = 4,
VMMDevReq_Idle = 5,
VMMDevReq_GetHostTime = 10,
VMMDevReq_GetHypervisorInfo = 20,
VMMDevReq_SetHypervisorInfo = 21,
VMMDevReq_RegisterPatchMemory = 22, /* since version 3.0.6 */
VMMDevReq_DeregisterPatchMemory = 23, /* since version 3.0.6 */
VMMDevReq_SetPowerStatus = 30,
VMMDevReq_AcknowledgeEvents = 41,
VMMDevReq_CtlGuestFilterMask = 42,
VMMDevReq_ReportGuestInfo = 50,
VMMDevReq_ReportGuestInfo2 = 58, /* since version 3.2.0 */
VMMDevReq_ReportGuestStatus = 59, /* since version 3.2.8 */
VMMDevReq_ReportGuestUserState = 74, /* since version 4.3 */
/**
* Retrieve a display resize request sent by the host using
* @a IDisplay:setVideoModeHint. Deprecated.
*
* Similar to @a VMMDevReq_GetDisplayChangeRequest2, except that it only
* considers host requests sent for the first virtual display. This guest
* request should not be used in new guest code, and the results are
* undefined if a guest mixes calls to this and
* @a VMMDevReq_GetDisplayChangeRequest2.
*/
VMMDevReq_GetDisplayChangeRequest = 51,
VMMDevReq_VideoModeSupported = 52,
VMMDevReq_GetHeightReduction = 53,
/**
* Retrieve a display resize request sent by the host using
* @a IDisplay:setVideoModeHint.
*
* Queries a display resize request sent from the host. If the
* @a eventAck member is sent to true and there is an unqueried
* request available for one of the virtual display then that request will
* be returned. If several displays have unqueried requests the lowest
* numbered display will be chosen first. Only the most recent unseen
* request for each display is remembered.
* If @a eventAck is set to false, the last host request queried with
* @a eventAck set is resent, or failing that the most recent received from
* the host. If no host request was ever received then all zeros are
* returned.
*/
VMMDevReq_GetDisplayChangeRequest2 = 54,
VMMDevReq_ReportGuestCapabilities = 55,
VMMDevReq_SetGuestCapabilities = 56,
VMMDevReq_VideoModeSupported2 = 57, /* since version 3.2.0 */
VMMDevReq_GetDisplayChangeRequestEx = 80, /* since version 4.2.4 */
#ifdef VBOX_WITH_HGCM
VMMDevReq_HGCMConnect = 60,
VMMDevReq_HGCMDisconnect = 61,
#ifdef VBOX_WITH_64_BITS_GUESTS
VMMDevReq_HGCMCall32 = 62,
VMMDevReq_HGCMCall64 = 63,
#else
VMMDevReq_HGCMCall = 62,
#endif /* VBOX_WITH_64_BITS_GUESTS */
VMMDevReq_HGCMCancel = 64,
VMMDevReq_HGCMCancel2 = 65,
#endif
VMMDevReq_VideoAccelEnable = 70,
VMMDevReq_VideoAccelFlush = 71,
VMMDevReq_VideoSetVisibleRegion = 72,
VMMDevReq_GetSeamlessChangeRequest = 73,
VMMDevReq_QueryCredentials = 100,
VMMDevReq_ReportCredentialsJudgement = 101,
VMMDevReq_ReportGuestStats = 110,
VMMDevReq_GetMemBalloonChangeRequest = 111,
VMMDevReq_GetStatisticsChangeRequest = 112,
VMMDevReq_ChangeMemBalloon = 113,
VMMDevReq_GetVRDPChangeRequest = 150,
VMMDevReq_LogString = 200,
VMMDevReq_GetCpuHotPlugRequest = 210,
VMMDevReq_SetCpuHotPlugStatus = 211,
VMMDevReq_RegisterSharedModule = 212,
VMMDevReq_UnregisterSharedModule = 213,
VMMDevReq_CheckSharedModules = 214,
VMMDevReq_GetPageSharingStatus = 215,
VMMDevReq_DebugIsPageShared = 216,
VMMDevReq_GetSessionId = 217, /* since version 3.2.8 */
VMMDevReq_WriteCoreDump = 218,
VMMDevReq_GuestHeartbeat = 219,
VMMDevReq_HeartbeatConfigure = 220,
VMMDevReq_SizeHack = 0x7fffffff
} VMMDevRequestType;
#ifdef VBOX_WITH_64_BITS_GUESTS
/*
* Constants and structures are redefined for the guest.
*
* Host code MUST always use either *32 or *64 variant explicitely.
* Host source code will use VBOX_HGCM_HOST_CODE define to catch undefined
* data types and constants.
*
* This redefinition means that the new additions builds will use
* the *64 or *32 variants depending on the current architecture bit count (ARCH_BITS).
*/
# ifndef VBOX_HGCM_HOST_CODE
# if ARCH_BITS == 64
# define VMMDevReq_HGCMCall VMMDevReq_HGCMCall64
# elif ARCH_BITS == 32
# define VMMDevReq_HGCMCall VMMDevReq_HGCMCall32
# else
# error "Unsupported ARCH_BITS"
# endif
# endif /* !VBOX_HGCM_HOST_CODE */
#endif /* VBOX_WITH_64_BITS_GUESTS */
/** Version of VMMDevRequestHeader structure. */
#define VMMDEV_REQUEST_HEADER_VERSION (0x10001)
/**
* Generic VMMDev request header.
*/
typedef struct
{
/** IN: Size of the structure in bytes (including body). */
uint32_t size;
/** IN: Version of the structure. */
uint32_t version;
/** IN: Type of the request. */
VMMDevRequestType requestType;
/** OUT: Return code. */
int32_t rc;
/** Reserved field no.1. MBZ. */
uint32_t reserved1;
/** Reserved field no.2. MBZ. */
uint32_t reserved2;
} VMMDevRequestHeader;
AssertCompileSize(VMMDevRequestHeader, 24);
/**
* Mouse status request structure.
*
* Used by VMMDevReq_GetMouseStatus and VMMDevReq_SetMouseStatus.
*/
typedef struct
{
/** header */
VMMDevRequestHeader header;
/** Mouse feature mask. See VMMDEV_MOUSE_*. */
uint32_t mouseFeatures;
/** Mouse x position. */
int32_t pointerXPos;
/** Mouse y position. */
int32_t pointerYPos;
} VMMDevReqMouseStatus;
AssertCompileSize(VMMDevReqMouseStatus, 24+12);
/** @name Mouse capability bits (VMMDevReqMouseStatus::mouseFeatures).
* @{ */
/** The guest can (== wants to) handle absolute coordinates. */
#define VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE RT_BIT(0)
/** The host can (== wants to) send absolute coordinates.
* (Input not captured.) */
#define VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE RT_BIT(1)
/** The guest can *NOT* switch to software cursor and therefore depends on the
* host cursor.
*
* When guest additions are installed and the host has promised to display the
* cursor itself, the guest installs a hardware mouse driver. Don't ask the
* guest to switch to a software cursor then. */
#define VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR RT_BIT(2)
/** The host does NOT provide support for drawing the cursor itself. */
#define VMMDEV_MOUSE_HOST_CANNOT_HWPOINTER RT_BIT(3)
/** The guest can read VMMDev events to find out about pointer movement */
#define VMMDEV_MOUSE_NEW_PROTOCOL RT_BIT(4)
/** If the guest changes the status of the
* VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR bit, the host will honour this */
#define VMMDEV_MOUSE_HOST_RECHECKS_NEEDS_HOST_CURSOR RT_BIT(5)
/** The host supplies an absolute pointing device. The Guest Additions may
* wish to use this to decide whether to install their own driver */
#define VMMDEV_MOUSE_HOST_HAS_ABS_DEV RT_BIT(6)
/** The mask of all VMMDEV_MOUSE_* flags */
#define VMMDEV_MOUSE_MASK UINT32_C(0x0000007f)
/** The mask of guest capability changes for which notification events should
* be sent */
#define VMMDEV_MOUSE_NOTIFY_HOST_MASK \
(VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE | VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR)
/** The mask of all capabilities which the guest can legitimately change */
#define VMMDEV_MOUSE_GUEST_MASK \
(VMMDEV_MOUSE_NOTIFY_HOST_MASK | VMMDEV_MOUSE_NEW_PROTOCOL)
/** The mask of host capability changes for which notification events should
* be sent */
#define VMMDEV_MOUSE_NOTIFY_GUEST_MASK \
VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE
/** The mask of all capabilities which the host can legitimately change */
#define VMMDEV_MOUSE_HOST_MASK \
( VMMDEV_MOUSE_NOTIFY_GUEST_MASK \
| VMMDEV_MOUSE_HOST_CANNOT_HWPOINTER \
| VMMDEV_MOUSE_HOST_RECHECKS_NEEDS_HOST_CURSOR \
| VMMDEV_MOUSE_HOST_HAS_ABS_DEV)
/** @} */
/** @name Absolute mouse reporting range
* @{ */
/** @todo Should these be here? They are needed by both host and guest. */
/** The minumum value our pointing device can return. */
#define VMMDEV_MOUSE_RANGE_MIN 0
/** The maximum value our pointing device can return. */
#define VMMDEV_MOUSE_RANGE_MAX 0xFFFF
/** The full range our pointing device can return. */
#define VMMDEV_MOUSE_RANGE (VMMDEV_MOUSE_RANGE_MAX - VMMDEV_MOUSE_RANGE_MIN)
/** @} */
/**
* Mouse pointer shape/visibility change request.
*
* Used by VMMDevReq_SetPointerShape. The size is variable.
*/
typedef struct VMMDevReqMousePointer
{
/** Header. */
VMMDevRequestHeader header;
/** VBOX_MOUSE_POINTER_* bit flags. */
uint32_t fFlags;
/** x coordinate of hot spot. */
uint32_t xHot;
/** y coordinate of hot spot. */
uint32_t yHot;
/** Width of the pointer in pixels. */
uint32_t width;
/** Height of the pointer in scanlines. */
uint32_t height;
/** Pointer data.
*
****
* The data consists of 1 bpp AND mask followed by 32 bpp XOR (color) mask.
*
* For pointers without alpha channel the XOR mask pixels are 32 bit values: (lsb)BGR0(msb).
* For pointers with alpha channel the XOR mask consists of (lsb)BGRA(msb) 32 bit values.
*
* Guest driver must create the AND mask for pointers with alpha channel, so if host does not
* support alpha, the pointer could be displayed as a normal color pointer. The AND mask can
* be constructed from alpha values. For example alpha value >= 0xf0 means bit 0 in the AND mask.
*
* The AND mask is 1 bpp bitmap with byte aligned scanlines. Size of AND mask,
* therefore, is cbAnd = (width + 7) / 8 * height. The padding bits at the
* end of any scanline are undefined.
*
* The XOR mask follows the AND mask on the next 4 bytes aligned offset:
* uint8_t *pXor = pAnd + (cbAnd + 3) & ~3
* Bytes in the gap between the AND and the XOR mask are undefined.
* XOR mask scanlines have no gap between them and size of XOR mask is:
* cXor = width * 4 * height.
****
*
* Preallocate 4 bytes for accessing actual data as p->pointerData.
*/
char pointerData[4];
} VMMDevReqMousePointer;
AssertCompileSize(VMMDevReqMousePointer, 24+24);
/**
* Get the size that a VMMDevReqMousePointer request should have for a given
* size of cursor, including the trailing cursor image and mask data.
* @note an "empty" request still has the four preallocated bytes of data
*
* @returns the size
* @param width the cursor width
* @param height the cursor height
*/
DECLINLINE(size_t) vmmdevGetMousePointerReqSize(uint32_t width, uint32_t height)
{
size_t cbBase = RT_OFFSETOF(VMMDevReqMousePointer, pointerData);
size_t cbMask = (width + 7) / 8 * height;
size_t cbArgb = width * height * 4;
return RT_MAX(cbBase + ((cbMask + 3) & ~3) + cbArgb,
sizeof(VMMDevReqMousePointer));
}
/** @name VMMDevReqMousePointer::fFlags
* @note The VBOX_MOUSE_POINTER_* flags are used in the guest video driver,
* values must be <= 0x8000 and must not be changed. (try make more sense
* of this, please).
* @{
*/
/** pointer is visible */
#define VBOX_MOUSE_POINTER_VISIBLE (0x0001)
/** pointer has alpha channel */
#define VBOX_MOUSE_POINTER_ALPHA (0x0002)
/** pointerData contains new pointer shape */
#define VBOX_MOUSE_POINTER_SHAPE (0x0004)
/** @} */
/**
* String log request structure.
*
* Used by VMMDevReq_LogString.
* @deprecated Use the IPRT logger or VbglR3WriteLog instead.
*/
typedef struct
{
/** header */
VMMDevRequestHeader header;
/** variable length string data */
char szString[1];
} VMMDevReqLogString;
AssertCompileSize(VMMDevReqLogString, 24+4);
/**
* VirtualBox host version request structure.
*
* Used by VMMDevReq_GetHostVersion.
*
* @remarks VBGL uses this to detect the precense of new features in the
* interface.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Major version. */
uint16_t major;
/** Minor version. */
uint16_t minor;
/** Build number. */
uint32_t build;
/** SVN revision. */
uint32_t revision;
/** Feature mask. */
uint32_t features;
} VMMDevReqHostVersion;
AssertCompileSize(VMMDevReqHostVersion, 24+16);
/** @name VMMDevReqHostVersion::features
* @{ */
/** Physical page lists are supported by HGCM. */
#define VMMDEV_HVF_HGCM_PHYS_PAGE_LIST RT_BIT(0)
/** @} */
/**
* Guest capabilities structure.
*
* Used by VMMDevReq_ReportGuestCapabilities.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Capabilities (VMMDEV_GUEST_*). */
uint32_t caps;
} VMMDevReqGuestCapabilities;
AssertCompileSize(VMMDevReqGuestCapabilities, 24+4);
/**
* Guest capabilities structure, version 2.
*
* Used by VMMDevReq_SetGuestCapabilities.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Mask of capabilities to be added. */
uint32_t u32OrMask;
/** Mask of capabilities to be removed. */
uint32_t u32NotMask;
} VMMDevReqGuestCapabilities2;
AssertCompileSize(VMMDevReqGuestCapabilities2, 24+8);
/** @name Guest capability bits.
* Used by VMMDevReq_ReportGuestCapabilities and VMMDevReq_SetGuestCapabilities.
* @{ */
/** The guest supports seamless display rendering. */
#define VMMDEV_GUEST_SUPPORTS_SEAMLESS RT_BIT_32(0)
/** The guest supports mapping guest to host windows. */
#define VMMDEV_GUEST_SUPPORTS_GUEST_HOST_WINDOW_MAPPING RT_BIT_32(1)
/** The guest graphical additions are active.
* Used for fast activation and deactivation of certain graphical operations
* (e.g. resizing & seamless). The legacy VMMDevReq_ReportGuestCapabilities
* request sets this automatically, but VMMDevReq_SetGuestCapabilities does
* not. */
#define VMMDEV_GUEST_SUPPORTS_GRAPHICS RT_BIT_32(2)
/** The mask of valid events, for sanity checking. */
#define VMMDEV_GUEST_CAPABILITIES_MASK UINT32_C(0x00000007)
/** @} */
/**
* Idle request structure.
*
* Used by VMMDevReq_Idle.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
} VMMDevReqIdle;
AssertCompileSize(VMMDevReqIdle, 24);
/**
* Host time request structure.
*
* Used by VMMDevReq_GetHostTime.
*/
typedef struct
{
/** Header */
VMMDevRequestHeader header;
/** OUT: Time in milliseconds since unix epoch. */
uint64_t time;
} VMMDevReqHostTime;
AssertCompileSize(VMMDevReqHostTime, 24+8);
/**
* Hypervisor info structure.
*
* Used by VMMDevReq_GetHypervisorInfo and VMMDevReq_SetHypervisorInfo.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Guest virtual address of proposed hypervisor start.
* Not used by VMMDevReq_GetHypervisorInfo.
* @todo Make this 64-bit compatible? */
RTGCPTR32 hypervisorStart;
/** Hypervisor size in bytes. */
uint32_t hypervisorSize;
} VMMDevReqHypervisorInfo;
AssertCompileSize(VMMDevReqHypervisorInfo, 24+8);
/** @name Default patch memory size .
* Used by VMMDevReq_RegisterPatchMemory and VMMDevReq_DeregisterPatchMemory.
* @{ */
#define VMMDEV_GUEST_DEFAULT_PATCHMEM_SIZE 8192
/** @} */
/**
* Patching memory structure. (locked executable & read-only page from the guest's perspective)
*
* Used by VMMDevReq_RegisterPatchMemory and VMMDevReq_DeregisterPatchMemory
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Guest virtual address of the patching page(s). */
RTGCPTR64 pPatchMem;
/** Patch page size in bytes. */
uint32_t cbPatchMem;
} VMMDevReqPatchMemory;
AssertCompileSize(VMMDevReqPatchMemory, 24+12);
/**
* Guest power requests.
*
* See VMMDevReq_SetPowerStatus and VMMDevPowerStateRequest.
*/
typedef enum
{
VMMDevPowerState_Invalid = 0,
VMMDevPowerState_Pause = 1,
VMMDevPowerState_PowerOff = 2,
VMMDevPowerState_SaveState = 3,
VMMDevPowerState_SizeHack = 0x7fffffff
} VMMDevPowerState;
AssertCompileSize(VMMDevPowerState, 4);
/**
* VM power status structure.
*
* Used by VMMDevReq_SetPowerStatus.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Power state request. */
VMMDevPowerState powerState;
} VMMDevPowerStateRequest;
AssertCompileSize(VMMDevPowerStateRequest, 24+4);
/**
* Pending events structure.
*
* Used by VMMDevReq_AcknowledgeEvents.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** OUT: Pending event mask. */
uint32_t events;
} VMMDevEvents;
AssertCompileSize(VMMDevEvents, 24+4);
/**
* Guest event filter mask control.
*
* Used by VMMDevReq_CtlGuestFilterMask.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Mask of events to be added to the filter. */
uint32_t u32OrMask;
/** Mask of events to be removed from the filter. */
uint32_t u32NotMask;
} VMMDevCtlGuestFilterMask;
AssertCompileSize(VMMDevCtlGuestFilterMask, 24+8);
/**
* Guest information structure.
*
* Used by VMMDevReportGuestInfo and PDMIVMMDEVCONNECTOR::pfnUpdateGuestVersion.
*/
typedef struct VBoxGuestInfo
{
/** The VMMDev interface version expected by additions.
* *Deprecated*, do not use anymore! Will be removed. */
uint32_t interfaceVersion;
/** Guest OS type. */
VBOXOSTYPE osType;
} VBoxGuestInfo;
AssertCompileSize(VBoxGuestInfo, 8);
/**
* Guest information report.
*
* Used by VMMDevReq_ReportGuestInfo.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Guest information. */
VBoxGuestInfo guestInfo;
} VMMDevReportGuestInfo;
AssertCompileSize(VMMDevReportGuestInfo, 24+8);
/**
* Guest information structure, version 2.
*
* Used by VMMDevReportGuestInfo2 and PDMIVMMDEVCONNECTOR::pfnUpdateGuestVersion2.
*/
typedef struct VBoxGuestInfo2
{
/** Major version. */
uint16_t additionsMajor;
/** Minor version. */
uint16_t additionsMinor;
/** Build number. */
uint32_t additionsBuild;
/** SVN revision. */
uint32_t additionsRevision;
/** Feature mask, currently unused. */
uint32_t additionsFeatures;
/** The intentional meaning of this field was:
* Some additional information, for example 'Beta 1' or something like that.
*
* The way it was implemented was implemented: VBOX_VERSION_STRING.
*
* This means the first three members are duplicated in this field (if the guest
* build config is sane). So, the user must check this and chop it off before
* usage. There is, because of the Main code's blind trust in the field's
* content, no way back. */
char szName[128];
} VBoxGuestInfo2;
AssertCompileSize(VBoxGuestInfo2, 144);
/**
* Guest information report, version 2.
*
* Used by VMMDevReq_ReportGuestInfo2.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Guest information. */
VBoxGuestInfo2 guestInfo;
} VMMDevReportGuestInfo2;
AssertCompileSize(VMMDevReportGuestInfo2, 24+144);
/**
* The guest facility.
* This needs to be kept in sync with AdditionsFacilityType of the Main API!
*/
typedef enum
{
VBoxGuestFacilityType_Unknown = 0,
VBoxGuestFacilityType_VBoxGuestDriver = 20,
VBoxGuestFacilityType_AutoLogon = 90, /* VBoxGINA / VBoxCredProv / pam_vbox. */
VBoxGuestFacilityType_VBoxService = 100,
VBoxGuestFacilityType_VBoxTrayClient = 101, /* VBoxTray (Windows), VBoxClient (Linux, Unix). */
VBoxGuestFacilityType_Seamless = 1000,
VBoxGuestFacilityType_Graphics = 1100,
VBoxGuestFacilityType_All = 0x7ffffffe,
VBoxGuestFacilityType_SizeHack = 0x7fffffff
} VBoxGuestFacilityType;
AssertCompileSize(VBoxGuestFacilityType, 4);
/**
* The current guest status of a facility.
* This needs to be kept in sync with AdditionsFacilityStatus of the Main API!
*
* @remarks r=bird: Pretty please, for future types like this, simply do a
* linear allocation without any gaps. This stuff is impossible work
* efficiently with, let alone validate. Applies to the other facility
* enums too.
*/
typedef enum
{
VBoxGuestFacilityStatus_Inactive = 0,
VBoxGuestFacilityStatus_Paused = 1,
VBoxGuestFacilityStatus_PreInit = 20,
VBoxGuestFacilityStatus_Init = 30,
VBoxGuestFacilityStatus_Active = 50,
VBoxGuestFacilityStatus_Terminating = 100,
VBoxGuestFacilityStatus_Terminated = 101,
VBoxGuestFacilityStatus_Failed = 800,
VBoxGuestFacilityStatus_Unknown = 999,
VBoxGuestFacilityStatus_SizeHack = 0x7fffffff
} VBoxGuestFacilityStatus;
AssertCompileSize(VBoxGuestFacilityStatus, 4);
/**
* The facility class.
* This needs to be kept in sync with AdditionsFacilityClass of the Main API!
*/
typedef enum
{
VBoxGuestFacilityClass_None = 0,
VBoxGuestFacilityClass_Driver = 10,
VBoxGuestFacilityClass_Service = 30,
VBoxGuestFacilityClass_Program = 50,
VBoxGuestFacilityClass_Feature = 100,
VBoxGuestFacilityClass_ThirdParty = 999,
VBoxGuestFacilityClass_All = 0x7ffffffe,
VBoxGuestFacilityClass_SizeHack = 0x7fffffff
} VBoxGuestFacilityClass;
AssertCompileSize(VBoxGuestFacilityClass, 4);
/**
* Guest status structure.
*
* Used by VMMDevReqGuestStatus.
*/
typedef struct VBoxGuestStatus
{
/** Facility the status is indicated for. */
VBoxGuestFacilityType facility;
/** Current guest status. */
VBoxGuestFacilityStatus status;
/** Flags, not used at the moment. */
uint32_t flags;
} VBoxGuestStatus;
AssertCompileSize(VBoxGuestStatus, 12);
/**
* Guest Additions status structure.
*
* Used by VMMDevReq_ReportGuestStatus.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Guest information. */
VBoxGuestStatus guestStatus;
} VMMDevReportGuestStatus;
AssertCompileSize(VMMDevReportGuestStatus, 24+12);
/**
* The current status of specific guest user.
* This needs to be kept in sync with GuestUserState of the Main API!
*/
typedef enum VBoxGuestUserState
{
VBoxGuestUserState_Unknown = 0,
VBoxGuestUserState_LoggedIn = 1,
VBoxGuestUserState_LoggedOut = 2,
VBoxGuestUserState_Locked = 3,
VBoxGuestUserState_Unlocked = 4,
VBoxGuestUserState_Disabled = 5,
VBoxGuestUserState_Idle = 6,
VBoxGuestUserState_InUse = 7,
VBoxGuestUserState_Created = 8,
VBoxGuestUserState_Deleted = 9,
VBoxGuestUserState_SessionChanged = 10,
VBoxGuestUserState_CredentialsChanged = 11,
VBoxGuestUserState_RoleChanged = 12,
VBoxGuestUserState_GroupAdded = 13,
VBoxGuestUserState_GroupRemoved = 14,
VBoxGuestUserState_Elevated = 15,
VBoxGuestUserState_SizeHack = 0x7fffffff
} VBoxGuestUserState;
AssertCompileSize(VBoxGuestUserState, 4);
/**
* Guest user status updates.
*/
typedef struct VBoxGuestUserStatus
{
/** The guest user state to send. */
VBoxGuestUserState state;
/** Size (in bytes) of szUser. */
uint32_t cbUser;
/** Size (in bytes) of szDomain. */
uint32_t cbDomain;
/** Size (in bytes) of aDetails. */
uint32_t cbDetails;
/** Note: Here begins the dynamically
* allocated region. */
/** Guest user to report state for. */
char szUser[1];
/** Domain the guest user is bound to. */
char szDomain[1];
/** Optional details of the state. */
uint8_t aDetails[1];
} VBoxGuestUserStatus;
AssertCompileSize(VBoxGuestUserStatus, 20);
/**
* Guest user status structure.
*
* Used by VMMDevReq_ReportGuestUserStatus.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Guest user status. */
VBoxGuestUserStatus status;
} VMMDevReportGuestUserState;
AssertCompileSize(VMMDevReportGuestUserState, 24+20);
/**
* Guest statistics structure.
*
* Used by VMMDevReportGuestStats and PDMIVMMDEVCONNECTOR::pfnReportStatistics.
*/
typedef struct VBoxGuestStatistics
{
/** Virtual CPU ID. */
uint32_t u32CpuId;
/** Reported statistics. */
uint32_t u32StatCaps;
/** Idle CPU load (0-100) for last interval. */
uint32_t u32CpuLoad_Idle;
/** Kernel CPU load (0-100) for last interval. */
uint32_t u32CpuLoad_Kernel;
/** User CPU load (0-100) for last interval. */
uint32_t u32CpuLoad_User;
/** Nr of threads. */
uint32_t u32Threads;
/** Nr of processes. */
uint32_t u32Processes;
/** Nr of handles. */
uint32_t u32Handles;
/** Memory load (0-100). */
uint32_t u32MemoryLoad;
/** Page size of guest system. */
uint32_t u32PageSize;
/** Total physical memory (in 4KB pages). */
uint32_t u32PhysMemTotal;
/** Available physical memory (in 4KB pages). */
uint32_t u32PhysMemAvail;
/** Ballooned physical memory (in 4KB pages). */
uint32_t u32PhysMemBalloon;
/** Total number of committed memory (which is not necessarily in-use) (in 4KB pages). */
uint32_t u32MemCommitTotal;
/** Total amount of memory used by the kernel (in 4KB pages). */
uint32_t u32MemKernelTotal;
/** Total amount of paged memory used by the kernel (in 4KB pages). */
uint32_t u32MemKernelPaged;
/** Total amount of nonpaged memory used by the kernel (in 4KB pages). */
uint32_t u32MemKernelNonPaged;
/** Total amount of memory used for the system cache (in 4KB pages). */
uint32_t u32MemSystemCache;
/** Pagefile size (in 4KB pages). */
uint32_t u32PageFileSize;
} VBoxGuestStatistics;
AssertCompileSize(VBoxGuestStatistics, 19*4);
/** @name Guest statistics values (VBoxGuestStatistics::u32StatCaps).
* @{ */
#define VBOX_GUEST_STAT_CPU_LOAD_IDLE RT_BIT(0)
#define VBOX_GUEST_STAT_CPU_LOAD_KERNEL RT_BIT(1)
#define VBOX_GUEST_STAT_CPU_LOAD_USER RT_BIT(2)
#define VBOX_GUEST_STAT_THREADS RT_BIT(3)
#define VBOX_GUEST_STAT_PROCESSES RT_BIT(4)
#define VBOX_GUEST_STAT_HANDLES RT_BIT(5)
#define VBOX_GUEST_STAT_MEMORY_LOAD RT_BIT(6)
#define VBOX_GUEST_STAT_PHYS_MEM_TOTAL RT_BIT(7)
#define VBOX_GUEST_STAT_PHYS_MEM_AVAIL RT_BIT(8)
#define VBOX_GUEST_STAT_PHYS_MEM_BALLOON RT_BIT(9)
#define VBOX_GUEST_STAT_MEM_COMMIT_TOTAL RT_BIT(10)
#define VBOX_GUEST_STAT_MEM_KERNEL_TOTAL RT_BIT(11)
#define VBOX_GUEST_STAT_MEM_KERNEL_PAGED RT_BIT(12)
#define VBOX_GUEST_STAT_MEM_KERNEL_NONPAGED RT_BIT(13)
#define VBOX_GUEST_STAT_MEM_SYSTEM_CACHE RT_BIT(14)
#define VBOX_GUEST_STAT_PAGE_FILE_SIZE RT_BIT(15)
/** @} */
/**
* Guest statistics command structure.
*
* Used by VMMDevReq_ReportGuestStats.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Guest information. */
VBoxGuestStatistics guestStats;
} VMMDevReportGuestStats;
AssertCompileSize(VMMDevReportGuestStats, 24+19*4);
/** Memory balloon change request structure. */
#define VMMDEV_MAX_MEMORY_BALLOON(PhysMemTotal) ( (9 * (PhysMemTotal)) / 10 )
/**
* Poll for ballooning change request.
*
* Used by VMMDevReq_GetMemBalloonChangeRequest.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Balloon size in megabytes. */
uint32_t cBalloonChunks;
/** Guest ram size in megabytes. */
uint32_t cPhysMemChunks;
/** Setting this to VMMDEV_EVENT_BALLOON_CHANGE_REQUEST indicates that the
* request is a response to that event.
* (Don't confuse this with VMMDevReq_AcknowledgeEvents.) */
uint32_t eventAck;
} VMMDevGetMemBalloonChangeRequest;
AssertCompileSize(VMMDevGetMemBalloonChangeRequest, 24+12);
/**
* Change the size of the balloon.
*
* Used by VMMDevReq_ChangeMemBalloon.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** The number of pages in the array. */
uint32_t cPages;
/** true = inflate, false = deflate. */
uint32_t fInflate;
/** Physical address (RTGCPHYS) of each page, variable size. */
RTGCPHYS aPhysPage[1];
} VMMDevChangeMemBalloon;
AssertCompileSize(VMMDevChangeMemBalloon, 24+16);
/** @name The ballooning chunk size which VMMDev works at.
* @{ */
#define VMMDEV_MEMORY_BALLOON_CHUNK_PAGES (_1M/4096)
#define VMMDEV_MEMORY_BALLOON_CHUNK_SIZE (VMMDEV_MEMORY_BALLOON_CHUNK_PAGES*4096)
/** @} */
/**
* Guest statistics interval change request structure.
*
* Used by VMMDevReq_GetStatisticsChangeRequest.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** The interval in seconds. */
uint32_t u32StatInterval;
/** Setting this to VMMDEV_EVENT_STATISTICS_INTERVAL_CHANGE_REQUEST indicates
* that the request is a response to that event.
* (Don't confuse this with VMMDevReq_AcknowledgeEvents.) */
uint32_t eventAck;
} VMMDevGetStatisticsChangeRequest;
AssertCompileSize(VMMDevGetStatisticsChangeRequest, 24+8);
/** The size of a string field in the credentials request (including '\\0').
* @see VMMDevCredentials */
#define VMMDEV_CREDENTIALS_SZ_SIZE 128
/**
* Credentials request structure.
*
* Used by VMMDevReq_QueryCredentials.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** IN/OUT: Request flags. */
uint32_t u32Flags;
/** OUT: User name (UTF-8). */
char szUserName[VMMDEV_CREDENTIALS_SZ_SIZE];
/** OUT: Password (UTF-8). */
char szPassword[VMMDEV_CREDENTIALS_SZ_SIZE];
/** OUT: Domain name (UTF-8). */
char szDomain[VMMDEV_CREDENTIALS_SZ_SIZE];
} VMMDevCredentials;
AssertCompileSize(VMMDevCredentials, 24+4+3*128);
/** @name Credentials request flag (VMMDevCredentials::u32Flags)
* @{ */
/** query from host whether credentials are present */
#define VMMDEV_CREDENTIALS_QUERYPRESENCE RT_BIT(1)
/** read credentials from host (can be combined with clear) */
#define VMMDEV_CREDENTIALS_READ RT_BIT(2)
/** clear credentials on host (can be combined with read) */
#define VMMDEV_CREDENTIALS_CLEAR RT_BIT(3)
/** read credentials for judgement in the guest */
#define VMMDEV_CREDENTIALS_READJUDGE RT_BIT(8)
/** clear credentials for judegement on the host */
#define VMMDEV_CREDENTIALS_CLEARJUDGE RT_BIT(9)
/** report credentials acceptance by guest */
#define VMMDEV_CREDENTIALS_JUDGE_OK RT_BIT(10)
/** report credentials denial by guest */
#define VMMDEV_CREDENTIALS_JUDGE_DENY RT_BIT(11)
/** report that no judgement could be made by guest */
#define VMMDEV_CREDENTIALS_JUDGE_NOJUDGEMENT RT_BIT(12)
/** flag telling the guest that credentials are present */
#define VMMDEV_CREDENTIALS_PRESENT RT_BIT(16)
/** flag telling guest that local logons should be prohibited */
#define VMMDEV_CREDENTIALS_NOLOCALLOGON RT_BIT(17)
/** @} */
/**
* Seamless mode change request structure.
*
* Used by VMMDevReq_GetSeamlessChangeRequest.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** New seamless mode. */
VMMDevSeamlessMode mode;
/** Setting this to VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST indicates
* that the request is a response to that event.
* (Don't confuse this with VMMDevReq_AcknowledgeEvents.) */
uint32_t eventAck;
} VMMDevSeamlessChangeRequest;
AssertCompileSize(VMMDevSeamlessChangeRequest, 24+8);
AssertCompileMemberOffset(VMMDevSeamlessChangeRequest, eventAck, 24+4);
/**
* Display change request structure.
*
* Used by VMMDevReq_GetDisplayChangeRequest.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Horizontal pixel resolution (0 = do not change). */
uint32_t xres;
/** Vertical pixel resolution (0 = do not change). */
uint32_t yres;
/** Bits per pixel (0 = do not change). */
uint32_t bpp;
/** Setting this to VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST indicates
* that the request is a response to that event.
* (Don't confuse this with VMMDevReq_AcknowledgeEvents.) */
uint32_t eventAck;
} VMMDevDisplayChangeRequest;
AssertCompileSize(VMMDevDisplayChangeRequest, 24+16);
/**
* Display change request structure, version 2.
*
* Used by VMMDevReq_GetDisplayChangeRequest2.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Horizontal pixel resolution (0 = do not change). */
uint32_t xres;
/** Vertical pixel resolution (0 = do not change). */
uint32_t yres;
/** Bits per pixel (0 = do not change). */
uint32_t bpp;
/** Setting this to VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST indicates
* that the request is a response to that event.
* (Don't confuse this with VMMDevReq_AcknowledgeEvents.) */
uint32_t eventAck;
/** 0 for primary display, 1 for the first secondary, etc. */
uint32_t display;
} VMMDevDisplayChangeRequest2;
AssertCompileSize(VMMDevDisplayChangeRequest2, 24+20);
/**
* Display change request structure, version Extended.
*
* Used by VMMDevReq_GetDisplayChangeRequestEx.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Horizontal pixel resolution (0 = do not change). */
uint32_t xres;
/** Vertical pixel resolution (0 = do not change). */
uint32_t yres;
/** Bits per pixel (0 = do not change). */
uint32_t bpp;
/** Setting this to VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST indicates
* that the request is a response to that event.
* (Don't confuse this with VMMDevReq_AcknowledgeEvents.) */
uint32_t eventAck;
/** 0 for primary display, 1 for the first secondary, etc. */
uint32_t display;
/** New OriginX of secondary virtual screen */
uint32_t cxOrigin;
/** New OriginY of secondary virtual screen */
uint32_t cyOrigin;
/** Change in origin of the secondary virtaul scree is
* required */
bool fChangeOrigin;
/** secondary virtual screen enabled or disabled */
bool fEnabled;
} VMMDevDisplayChangeRequestEx;
AssertCompileSize(VMMDevDisplayChangeRequestEx, 24+32);
/**
* Video mode supported request structure.
*
* Used by VMMDevReq_VideoModeSupported.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** IN: Horizontal pixel resolution. */
uint32_t width;
/** IN: Vertical pixel resolution. */
uint32_t height;
/** IN: Bits per pixel. */
uint32_t bpp;
/** OUT: Support indicator. */
bool fSupported;
} VMMDevVideoModeSupportedRequest;
AssertCompileSize(VMMDevVideoModeSupportedRequest, 24+16);
/**
* Video mode supported request structure for a specific display.
*
* Used by VMMDevReq_VideoModeSupported2.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** IN: The guest display number. */
uint32_t display;
/** IN: Horizontal pixel resolution. */
uint32_t width;
/** IN: Vertical pixel resolution. */
uint32_t height;
/** IN: Bits per pixel. */
uint32_t bpp;
/** OUT: Support indicator. */
bool fSupported;
} VMMDevVideoModeSupportedRequest2;
AssertCompileSize(VMMDevVideoModeSupportedRequest2, 24+20);
/**
* Video modes height reduction request structure.
*
* Used by VMMDevReq_GetHeightReduction.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** OUT: Height reduction in pixels. */
uint32_t heightReduction;
} VMMDevGetHeightReductionRequest;
AssertCompileSize(VMMDevGetHeightReductionRequest, 24+4);
/**
* VRDP change request structure.
*
* Used by VMMDevReq_GetVRDPChangeRequest.
*/
typedef struct
{
/** Header */
VMMDevRequestHeader header;
/** Whether VRDP is active or not. */
uint8_t u8VRDPActive;
/** The configured experience level for active VRDP. */
uint32_t u32VRDPExperienceLevel;
} VMMDevVRDPChangeRequest;
AssertCompileSize(VMMDevVRDPChangeRequest, 24+8);
AssertCompileMemberOffset(VMMDevVRDPChangeRequest, u8VRDPActive, 24);
AssertCompileMemberOffset(VMMDevVRDPChangeRequest, u32VRDPExperienceLevel, 24+4);
/** @name VRDP Experience level (VMMDevVRDPChangeRequest::u32VRDPExperienceLevel)
* @{ */
#define VRDP_EXPERIENCE_LEVEL_ZERO 0 /**< Theming disabled. */
#define VRDP_EXPERIENCE_LEVEL_LOW 1 /**< Full window dragging and desktop wallpaper disabled. */
#define VRDP_EXPERIENCE_LEVEL_MEDIUM 2 /**< Font smoothing, gradients. */
#define VRDP_EXPERIENCE_LEVEL_HIGH 3 /**< Animation effects disabled. */
#define VRDP_EXPERIENCE_LEVEL_FULL 4 /**< Everything enabled. */
/** @} */
/**
* VBVA enable request structure.
*
* Used by VMMDevReq_VideoAccelEnable.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** 0 - disable, !0 - enable. */
uint32_t u32Enable;
/** The size of VBVAMEMORY::au8RingBuffer expected by driver.
* The host will refuse to enable VBVA if the size is not equal to
* VBVA_RING_BUFFER_SIZE.
*/
uint32_t cbRingBuffer;
/** Guest initializes the status to 0. Host sets appropriate VBVA_F_STATUS_ flags. */
uint32_t fu32Status;
} VMMDevVideoAccelEnable;
AssertCompileSize(VMMDevVideoAccelEnable, 24+12);
/** @name VMMDevVideoAccelEnable::fu32Status.
* @{ */
#define VBVA_F_STATUS_ACCEPTED (0x01)
#define VBVA_F_STATUS_ENABLED (0x02)
/** @} */
/**
* VBVA flush request structure.
*
* Used by VMMDevReq_VideoAccelFlush.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
} VMMDevVideoAccelFlush;
AssertCompileSize(VMMDevVideoAccelFlush, 24);
/**
* VBVA set visible region request structure.
*
* Used by VMMDevReq_VideoSetVisibleRegion.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Number of rectangles */
uint32_t cRect;
/** Rectangle array.
* @todo array is spelled aRects[1]. */
RTRECT Rect;
} VMMDevVideoSetVisibleRegion;
AssertCompileSize(RTRECT, 16);
AssertCompileSize(VMMDevVideoSetVisibleRegion, 24+4+16);
/**
* CPU event types.
*/
typedef enum
{
VMMDevCpuStatusType_Invalid = 0,
VMMDevCpuStatusType_Disable = 1,
VMMDevCpuStatusType_Enable = 2,
VMMDevCpuStatusType_SizeHack = 0x7fffffff
} VMMDevCpuStatusType;
/**
* CPU hotplug event status request.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Status type */
VMMDevCpuStatusType enmStatusType;
} VMMDevCpuHotPlugStatusRequest;
AssertCompileSize(VMMDevCpuHotPlugStatusRequest, 24+4);
/**
* Get the ID of the changed CPU and event type.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Event type */
VMMDevCpuEventType enmEventType;
/** core id of the CPU changed */
uint32_t idCpuCore;
/** package id of the CPU changed */
uint32_t idCpuPackage;
} VMMDevGetCpuHotPlugRequest;
AssertCompileSize(VMMDevGetCpuHotPlugRequest, 24+4+4+4);
/**
* Shared region description
*/
typedef struct VMMDEVSHAREDREGIONDESC
{
RTGCPTR64 GCRegionAddr;
uint32_t cbRegion;
uint32_t u32Alignment;
} VMMDEVSHAREDREGIONDESC;
AssertCompileSize(VMMDEVSHAREDREGIONDESC, 16);
#define VMMDEVSHAREDREGIONDESC_MAX 32
/**
* Shared module registration
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Shared module size. */
uint32_t cbModule;
/** Number of included region descriptors */
uint32_t cRegions;
/** Base address of the shared module. */
RTGCPTR64 GCBaseAddr;
/** Guest OS type. */
VBOXOSFAMILY enmGuestOS;
/** Alignment. */
uint32_t u32Align;
/** Module name */
char szName[128];
/** Module version */
char szVersion[16];
/** Shared region descriptor(s). */
VMMDEVSHAREDREGIONDESC aRegions[1];
} VMMDevSharedModuleRegistrationRequest;
AssertCompileSize(VMMDevSharedModuleRegistrationRequest, 24+4+4+8+4+4+128+16+16);
/**
* Shared module unregistration
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Shared module size. */
uint32_t cbModule;
/** Align at 8 byte boundary. */
uint32_t u32Alignment;
/** Base address of the shared module. */
RTGCPTR64 GCBaseAddr;
/** Module name */
char szName[128];
/** Module version */
char szVersion[16];
} VMMDevSharedModuleUnregistrationRequest;
AssertCompileSize(VMMDevSharedModuleUnregistrationRequest, 24+4+4+8+128+16);
/**
* Shared module periodic check
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
} VMMDevSharedModuleCheckRequest;
AssertCompileSize(VMMDevSharedModuleCheckRequest, 24);
/**
* Paging sharing enabled query
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Enabled flag (out) */
bool fEnabled;
/** Alignment */
bool fAlignment[3];
} VMMDevPageSharingStatusRequest;
AssertCompileSize(VMMDevPageSharingStatusRequest, 24+4);
/**
* Page sharing status query (debug build only)
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Page address. */
RTGCPTR GCPtrPage;
/** Page flags. */
uint64_t uPageFlags;
/** Shared flag (out) */
bool fShared;
/** Alignment */
bool fAlignment[3];
} VMMDevPageIsSharedRequest;
/**
* Session id request structure.
*
* Used by VMMDevReq_GetSessionId.
*/
typedef struct
{
/** Header */
VMMDevRequestHeader header;
/** OUT: unique session id; the id will be different after each start, reset or restore of the VM */
uint64_t idSession;
} VMMDevReqSessionId;
AssertCompileSize(VMMDevReqSessionId, 24+8);
/**
* Write Core Dump request.
*
* Used by VMMDevReq_WriteCoreDump.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** Flags (reserved, MBZ). */
uint32_t fFlags;
} VMMDevReqWriteCoreDump;
AssertCompileSize(VMMDevReqWriteCoreDump, 24+4);
/** Heart beat check state structure.
* Used by VMMDevReq_HeartbeatConfigure. */
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** OUT: Guest heartbeat interval in nanosec. */
uint64_t cNsInterval;
/** Heartbeat check flag. */
bool fEnabled;
} VMMDevReqHeartbeat;
AssertCompileSize(VMMDevReqHeartbeat, 24+12);
#ifdef VBOX_WITH_HGCM
/** @name HGCM flags.
* @{
*/
# define VBOX_HGCM_REQ_DONE RT_BIT_32(VBOX_HGCM_REQ_DONE_BIT)
# define VBOX_HGCM_REQ_DONE_BIT 0
# define VBOX_HGCM_REQ_CANCELLED (0x2)
/** @} */
/**
* HGCM request header.
*/
typedef struct VMMDevHGCMRequestHeader
{
/** Request header. */
VMMDevRequestHeader header;
/** HGCM flags. */
uint32_t fu32Flags;
/** Result code. */
int32_t result;
} VMMDevHGCMRequestHeader;
AssertCompileSize(VMMDevHGCMRequestHeader, 24+8);
/**
* HGCM connect request structure.
*
* Used by VMMDevReq_HGCMConnect.
*/
typedef struct
{
/** HGCM request header. */
VMMDevHGCMRequestHeader header;
/** IN: Description of service to connect to. */
HGCMServiceLocation loc;
/** OUT: Client identifier assigned by local instance of HGCM. */
uint32_t u32ClientID;
} VMMDevHGCMConnect;
AssertCompileSize(VMMDevHGCMConnect, 32+132+4);
/**
* HGCM disconnect request structure.
*
* Used by VMMDevReq_HGCMDisconnect.
*/
typedef struct
{
/** HGCM request header. */
VMMDevHGCMRequestHeader header;
/** IN: Client identifier. */
uint32_t u32ClientID;
} VMMDevHGCMDisconnect;
AssertCompileSize(VMMDevHGCMDisconnect, 32+4);
/**
* HGCM parameter type.
*/
typedef enum
{
VMMDevHGCMParmType_Invalid = 0,
VMMDevHGCMParmType_32bit = 1,
VMMDevHGCMParmType_64bit = 2,
VMMDevHGCMParmType_PhysAddr = 3, /**< @deprecated Doesn't work, use PageList. */
VMMDevHGCMParmType_LinAddr = 4, /**< In and Out */
VMMDevHGCMParmType_LinAddr_In = 5, /**< In (read; host<-guest) */
VMMDevHGCMParmType_LinAddr_Out = 6, /**< Out (write; host->guest) */
VMMDevHGCMParmType_LinAddr_Locked = 7, /**< Locked In and Out */
VMMDevHGCMParmType_LinAddr_Locked_In = 8, /**< Locked In (read; host<-guest) */
VMMDevHGCMParmType_LinAddr_Locked_Out = 9, /**< Locked Out (write; host->guest) */
VMMDevHGCMParmType_PageList = 10, /**< Physical addresses of locked pages for a buffer. */
VMMDevHGCMParmType_SizeHack = 0x7fffffff
} HGCMFunctionParameterType;
AssertCompileSize(HGCMFunctionParameterType, 4);
# ifdef VBOX_WITH_64_BITS_GUESTS
/**
* HGCM function parameter, 32-bit client.
*/
typedef struct
{
HGCMFunctionParameterType type;
union
{
uint32_t value32;
uint64_t value64;
struct
{
uint32_t size;
union
{
RTGCPHYS32 physAddr;
RTGCPTR32 linearAddr;
} u;
} Pointer;
struct
{
uint32_t size; /**< Size of the buffer described by the page list. */
uint32_t offset; /**< Relative to the request header, valid if size != 0. */
} PageList;
} u;
# ifdef __cplusplus
void SetUInt32(uint32_t u32)
{
type = VMMDevHGCMParmType_32bit;
u.value64 = 0; /* init unused bits to 0 */
u.value32 = u32;
}
int GetUInt32(uint32_t *pu32)
{
if (type == VMMDevHGCMParmType_32bit)
{
*pu32 = u.value32;
return VINF_SUCCESS;
}
return VERR_INVALID_PARAMETER;
}
void SetUInt64(uint64_t u64)
{
type = VMMDevHGCMParmType_64bit;
u.value64 = u64;
}
int GetUInt64(uint64_t *pu64)
{
if (type == VMMDevHGCMParmType_64bit)
{
*pu64 = u.value64;
return VINF_SUCCESS;
}
return VERR_INVALID_PARAMETER;
}
void SetPtr(void *pv, uint32_t cb)
{
type = VMMDevHGCMParmType_LinAddr;
u.Pointer.size = cb;
u.Pointer.u.linearAddr = (RTGCPTR32)(uintptr_t)pv;
}
# endif /* __cplusplus */
} HGCMFunctionParameter32;
AssertCompileSize(HGCMFunctionParameter32, 4+8);
/**
* HGCM function parameter, 64-bit client.
*/
typedef struct
{
HGCMFunctionParameterType type;
union
{
uint32_t value32;
uint64_t value64;
struct
{
uint32_t size;
union
{
RTGCPHYS64 physAddr;
RTGCPTR64 linearAddr;
} u;
} Pointer;
struct
{
uint32_t size; /**< Size of the buffer described by the page list. */
uint32_t offset; /**< Relative to the request header, valid if size != 0. */
} PageList;
} u;
# ifdef __cplusplus
void SetUInt32(uint32_t u32)
{
type = VMMDevHGCMParmType_32bit;
u.value64 = 0; /* init unused bits to 0 */
u.value32 = u32;
}
int GetUInt32(uint32_t *pu32)
{
if (type == VMMDevHGCMParmType_32bit)
{
*pu32 = u.value32;
return VINF_SUCCESS;
}
return VERR_INVALID_PARAMETER;
}
void SetUInt64(uint64_t u64)
{
type = VMMDevHGCMParmType_64bit;
u.value64 = u64;
}
int GetUInt64(uint64_t *pu64)
{
if (type == VMMDevHGCMParmType_64bit)
{
*pu64 = u.value64;
return VINF_SUCCESS;
}
return VERR_INVALID_PARAMETER;
}
void SetPtr(void *pv, uint32_t cb)
{
type = VMMDevHGCMParmType_LinAddr;
u.Pointer.size = cb;
u.Pointer.u.linearAddr = (uintptr_t)pv;
}
# endif /** __cplusplus */
} HGCMFunctionParameter64;
AssertCompileSize(HGCMFunctionParameter64, 4+12);
/* Redefine the structure type for the guest code. */
# ifndef VBOX_HGCM_HOST_CODE
# if ARCH_BITS == 64
# define HGCMFunctionParameter HGCMFunctionParameter64
# elif ARCH_BITS == 32
# define HGCMFunctionParameter HGCMFunctionParameter32
# else
# error "Unsupported sizeof (void *)"
# endif
# endif /* !VBOX_HGCM_HOST_CODE */
# else /* !VBOX_WITH_64_BITS_GUESTS */
/**
* HGCM function parameter, 32-bit client.
*
* @todo If this is the same as HGCMFunctionParameter32, why the duplication?
*/
typedef struct
{
HGCMFunctionParameterType type;
union
{
uint32_t value32;
uint64_t value64;
struct
{
uint32_t size;
union
{
RTGCPHYS32 physAddr;
RTGCPTR32 linearAddr;
} u;
} Pointer;
struct
{
uint32_t size; /**< Size of the buffer described by the page list. */
uint32_t offset; /**< Relative to the request header, valid if size != 0. */
} PageList;
} u;
# ifdef __cplusplus
void SetUInt32(uint32_t u32)
{
type = VMMDevHGCMParmType_32bit;
u.value64 = 0; /* init unused bits to 0 */
u.value32 = u32;
}
int GetUInt32(uint32_t *pu32)
{
if (type == VMMDevHGCMParmType_32bit)
{
*pu32 = u.value32;
return VINF_SUCCESS;
}
return VERR_INVALID_PARAMETER;
}
void SetUInt64(uint64_t u64)
{
type = VMMDevHGCMParmType_64bit;
u.value64 = u64;
}
int GetUInt64(uint64_t *pu64)
{
if (type == VMMDevHGCMParmType_64bit)
{
*pu64 = u.value64;
return VINF_SUCCESS;
}
return VERR_INVALID_PARAMETER;
}
void SetPtr(void *pv, uint32_t cb)
{
type = VMMDevHGCMParmType_LinAddr;
u.Pointer.size = cb;
u.Pointer.u.linearAddr = (uintptr_t)pv;
}
# endif /* __cplusplus */
} HGCMFunctionParameter;
AssertCompileSize(HGCMFunctionParameter, 4+8);
# endif /* !VBOX_WITH_64_BITS_GUESTS */
/**
* HGCM call request structure.
*
* Used by VMMDevReq_HGCMCall, VMMDevReq_HGCMCall32 and VMMDevReq_HGCMCall64.
*/
typedef struct
{
/* request header */
VMMDevHGCMRequestHeader header;
/** IN: Client identifier. */
uint32_t u32ClientID;
/** IN: Service function number. */
uint32_t u32Function;
/** IN: Number of parameters. */
uint32_t cParms;
/** Parameters follow in form: HGCMFunctionParameter aParms[X]; */
} VMMDevHGCMCall;
AssertCompileSize(VMMDevHGCMCall, 32+12);
/** @name Direction of data transfer (HGCMPageListInfo::flags). Bit flags.
* @{ */
#define VBOX_HGCM_F_PARM_DIRECTION_NONE UINT32_C(0x00000000)
#define VBOX_HGCM_F_PARM_DIRECTION_TO_HOST UINT32_C(0x00000001)
#define VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST UINT32_C(0x00000002)
#define VBOX_HGCM_F_PARM_DIRECTION_BOTH UINT32_C(0x00000003)
/** Macro for validating that the specified flags are valid. */
#define VBOX_HGCM_F_PARM_ARE_VALID(fFlags) \
( (fFlags) > VBOX_HGCM_F_PARM_DIRECTION_NONE \
&& (fFlags) < VBOX_HGCM_F_PARM_DIRECTION_BOTH )
/** @} */
/**
* VMMDevHGCMParmType_PageList points to this structure to actually describe the
* buffer.
*/
typedef struct
{
uint32_t flags; /**< VBOX_HGCM_F_PARM_*. */
uint16_t offFirstPage; /**< Offset in the first page where data begins. */
uint16_t cPages; /**< Number of pages. */
RTGCPHYS64 aPages[1]; /**< Page addresses. */
} HGCMPageListInfo;
AssertCompileSize(HGCMPageListInfo, 4+2+2+8);
/** Get the pointer to the first parmater of a HGCM call request. */
# define VMMDEV_HGCM_CALL_PARMS(a) ((HGCMFunctionParameter *)((uint8_t *)(a) + sizeof (VMMDevHGCMCall)))
/** Get the pointer to the first parmater of a 32-bit HGCM call request. */
# define VMMDEV_HGCM_CALL_PARMS32(a) ((HGCMFunctionParameter32 *)((uint8_t *)(a) + sizeof (VMMDevHGCMCall)))
# ifdef VBOX_WITH_64_BITS_GUESTS
/* Explicit defines for the host code. */
# ifdef VBOX_HGCM_HOST_CODE
# define VMMDEV_HGCM_CALL_PARMS32(a) ((HGCMFunctionParameter32 *)((uint8_t *)(a) + sizeof (VMMDevHGCMCall)))
# define VMMDEV_HGCM_CALL_PARMS64(a) ((HGCMFunctionParameter64 *)((uint8_t *)(a) + sizeof (VMMDevHGCMCall)))
# endif /* VBOX_HGCM_HOST_CODE */
# endif /* VBOX_WITH_64_BITS_GUESTS */
# define VBOX_HGCM_MAX_PARMS 32
/**
* HGCM cancel request structure.
*
* The Cancel request is issued using the same physical memory address as was
* used for the corresponding initial HGCMCall.
*
* Used by VMMDevReq_HGCMCancel.
*/
typedef struct
{
/** Header. */
VMMDevHGCMRequestHeader header;
} VMMDevHGCMCancel;
AssertCompileSize(VMMDevHGCMCancel, 32);
/**
* HGCM cancel request structure, version 2.
*
* Used by VMMDevReq_HGCMCancel2.
*
* VINF_SUCCESS when cancelled.
* VERR_NOT_FOUND if the specified request cannot be found.
* VERR_INVALID_PARAMETER if the address is invalid valid.
*/
typedef struct
{
/** Header. */
VMMDevRequestHeader header;
/** The physical address of the request to cancel. */
RTGCPHYS32 physReqToCancel;
} VMMDevHGCMCancel2;
AssertCompileSize(VMMDevHGCMCancel2, 24+4);
#endif /* VBOX_WITH_HGCM */
/**
* Inline helper to determine the request size for the given operation.
* Returns 0 if the given operation is not handled and/or supported.
*
* @returns Size.
* @param requestType The VMMDev request type.
*/
DECLINLINE(size_t) vmmdevGetRequestSize(VMMDevRequestType requestType)
{
switch (requestType)
{
case VMMDevReq_GetMouseStatus:
case VMMDevReq_SetMouseStatus:
return sizeof(VMMDevReqMouseStatus);
case VMMDevReq_SetPointerShape:
return sizeof(VMMDevReqMousePointer);
case VMMDevReq_GetHostVersion:
return sizeof(VMMDevReqHostVersion);
case VMMDevReq_Idle:
return sizeof(VMMDevReqIdle);
case VMMDevReq_GetHostTime:
return sizeof(VMMDevReqHostTime);
case VMMDevReq_GetHypervisorInfo:
case VMMDevReq_SetHypervisorInfo:
return sizeof(VMMDevReqHypervisorInfo);
case VMMDevReq_RegisterPatchMemory:
case VMMDevReq_DeregisterPatchMemory:
return sizeof(VMMDevReqPatchMemory);
case VMMDevReq_SetPowerStatus:
return sizeof(VMMDevPowerStateRequest);
case VMMDevReq_AcknowledgeEvents:
return sizeof(VMMDevEvents);
case VMMDevReq_ReportGuestInfo:
return sizeof(VMMDevReportGuestInfo);
case VMMDevReq_ReportGuestInfo2:
return sizeof(VMMDevReportGuestInfo2);
case VMMDevReq_ReportGuestStatus:
return sizeof(VMMDevReportGuestStatus);
case VMMDevReq_ReportGuestUserState:
return sizeof(VMMDevReportGuestUserState);
case VMMDevReq_GetDisplayChangeRequest:
return sizeof(VMMDevDisplayChangeRequest);
case VMMDevReq_GetDisplayChangeRequest2:
return sizeof(VMMDevDisplayChangeRequest2);
case VMMDevReq_GetDisplayChangeRequestEx:
return sizeof(VMMDevDisplayChangeRequestEx);
case VMMDevReq_VideoModeSupported:
return sizeof(VMMDevVideoModeSupportedRequest);
case VMMDevReq_GetHeightReduction:
return sizeof(VMMDevGetHeightReductionRequest);
case VMMDevReq_ReportGuestCapabilities:
return sizeof(VMMDevReqGuestCapabilities);
case VMMDevReq_SetGuestCapabilities:
return sizeof(VMMDevReqGuestCapabilities2);
#ifdef VBOX_WITH_HGCM
case VMMDevReq_HGCMConnect:
return sizeof(VMMDevHGCMConnect);
case VMMDevReq_HGCMDisconnect:
return sizeof(VMMDevHGCMDisconnect);
#ifdef VBOX_WITH_64_BITS_GUESTS
case VMMDevReq_HGCMCall32:
return sizeof(VMMDevHGCMCall);
case VMMDevReq_HGCMCall64:
return sizeof(VMMDevHGCMCall);
#else
case VMMDevReq_HGCMCall:
return sizeof(VMMDevHGCMCall);
#endif /* VBOX_WITH_64_BITS_GUESTS */
case VMMDevReq_HGCMCancel:
return sizeof(VMMDevHGCMCancel);
#endif /* VBOX_WITH_HGCM */
case VMMDevReq_VideoAccelEnable:
return sizeof(VMMDevVideoAccelEnable);
case VMMDevReq_VideoAccelFlush:
return sizeof(VMMDevVideoAccelFlush);
case VMMDevReq_VideoSetVisibleRegion:
/* The original protocol didn't consider a guest with NO visible
* windows */
return sizeof(VMMDevVideoSetVisibleRegion) - sizeof(RTRECT);
case VMMDevReq_GetSeamlessChangeRequest:
return sizeof(VMMDevSeamlessChangeRequest);
case VMMDevReq_QueryCredentials:
return sizeof(VMMDevCredentials);
case VMMDevReq_ReportGuestStats:
return sizeof(VMMDevReportGuestStats);
case VMMDevReq_GetMemBalloonChangeRequest:
return sizeof(VMMDevGetMemBalloonChangeRequest);
case VMMDevReq_GetStatisticsChangeRequest:
return sizeof(VMMDevGetStatisticsChangeRequest);
case VMMDevReq_ChangeMemBalloon:
return sizeof(VMMDevChangeMemBalloon);
case VMMDevReq_GetVRDPChangeRequest:
return sizeof(VMMDevVRDPChangeRequest);
case VMMDevReq_LogString:
return sizeof(VMMDevReqLogString);
case VMMDevReq_CtlGuestFilterMask:
return sizeof(VMMDevCtlGuestFilterMask);
case VMMDevReq_GetCpuHotPlugRequest:
return sizeof(VMMDevGetCpuHotPlugRequest);
case VMMDevReq_SetCpuHotPlugStatus:
return sizeof(VMMDevCpuHotPlugStatusRequest);
case VMMDevReq_RegisterSharedModule:
return sizeof(VMMDevSharedModuleRegistrationRequest);
case VMMDevReq_UnregisterSharedModule:
return sizeof(VMMDevSharedModuleUnregistrationRequest);
case VMMDevReq_CheckSharedModules:
return sizeof(VMMDevSharedModuleCheckRequest);
case VMMDevReq_GetPageSharingStatus:
return sizeof(VMMDevPageSharingStatusRequest);
case VMMDevReq_DebugIsPageShared:
return sizeof(VMMDevPageIsSharedRequest);
case VMMDevReq_GetSessionId:
return sizeof(VMMDevReqSessionId);
case VMMDevReq_HeartbeatConfigure:
return sizeof(VMMDevReqHeartbeat);
case VMMDevReq_GuestHeartbeat:
return sizeof(VMMDevRequestHeader);
default:
break;
}
return 0;
}
/**
* Initializes a request structure.
*
* @returns VBox status code.
* @param req The request structure to initialize.
* @param type The request type.
*/
DECLINLINE(int) vmmdevInitRequest(VMMDevRequestHeader *req, VMMDevRequestType type)
{
uint32_t requestSize;
if (!req)
return VERR_INVALID_PARAMETER;
requestSize = (uint32_t)vmmdevGetRequestSize(type);
if (!requestSize)
return VERR_INVALID_PARAMETER;
req->size = requestSize;
req->version = VMMDEV_REQUEST_HEADER_VERSION;
req->requestType = type;
req->rc = VERR_GENERAL_FAILURE;
req->reserved1 = 0;
req->reserved2 = 0;
return VINF_SUCCESS;
}
/** @} */
/**
* VBVA command header.
*
* @todo Where does this fit in?
*/
typedef struct VBVACMDHDR
{
/** Coordinates of affected rectangle. */
int16_t x;
int16_t y;
uint16_t w;
uint16_t h;
} VBVACMDHDR;
AssertCompileSize(VBVACMDHDR, 8);
/** @name VBVA ring defines.
*
* The VBVA ring buffer is suitable for transferring large (< 2GB) amount of
* data. For example big bitmaps which do not fit to the buffer.
*
* Guest starts writing to the buffer by initializing a record entry in the
* aRecords queue. VBVA_F_RECORD_PARTIAL indicates that the record is being
* written. As data is written to the ring buffer, the guest increases off32End
* for the record.
*
* The host reads the aRecords on flushes and processes all completed records.
* When host encounters situation when only a partial record presents and
* cbRecord & ~VBVA_F_RECORD_PARTIAL >= VBVA_RING_BUFFER_SIZE -
* VBVA_RING_BUFFER_THRESHOLD, the host fetched all record data and updates
* off32Head. After that on each flush the host continues fetching the data
* until the record is completed.
*
*/
#define VBVA_RING_BUFFER_SIZE (_4M - _1K)
#define VBVA_RING_BUFFER_THRESHOLD (4 * _1K)
#define VBVA_MAX_RECORDS (64)
#define VBVA_F_MODE_ENABLED (0x00000001)
#define VBVA_F_MODE_VRDP (0x00000002)
#define VBVA_F_MODE_VRDP_RESET (0x00000004)
#define VBVA_F_MODE_VRDP_ORDER_MASK (0x00000008)
#define VBVA_F_STATE_PROCESSING (0x00010000)
#define VBVA_F_RECORD_PARTIAL (0x80000000)
/** @} */
/**
* VBVA record.
*/
typedef struct VBVARECORD
{
/** The length of the record. Changed by guest. */
uint32_t cbRecord;
} VBVARECORD;
AssertCompileSize(VBVARECORD, 4);
/**
* VBVA memory layout.
*
* This is a subsection of the VMMDevMemory structure.
*/
typedef struct VBVAMEMORY
{
/** VBVA_F_MODE_*. */
uint32_t fu32ModeFlags;
/** The offset where the data start in the buffer. */
uint32_t off32Data;
/** The offset where next data must be placed in the buffer. */
uint32_t off32Free;
/** The ring buffer for data. */
uint8_t au8RingBuffer[VBVA_RING_BUFFER_SIZE];
/** The queue of record descriptions. */
VBVARECORD aRecords[VBVA_MAX_RECORDS];
uint32_t indexRecordFirst;
uint32_t indexRecordFree;
/** RDP orders supported by the client. The guest reports only them
* and falls back to DIRTY rects for not supported ones.
*
* (1 << VBVA_VRDP_*)
*/
uint32_t fu32SupportedOrders;
} VBVAMEMORY;
AssertCompileSize(VBVAMEMORY, 12 + (_4M-_1K) + 4*64 + 12);
/**
* The layout of VMMDEV RAM region that contains information for guest.
*/
typedef struct VMMDevMemory
{
/** The size of this structure. */
uint32_t u32Size;
/** The structure version. (VMMDEV_MEMORY_VERSION) */
uint32_t u32Version;
union
{
struct
{
/** Flag telling that VMMDev set the IRQ and acknowlegment is required */
bool fHaveEvents;
} V1_04;
struct
{
/** Pending events flags, set by host. */
uint32_t u32HostEvents;
/** Mask of events the guest wants to see, set by guest. */
uint32_t u32GuestEventMask;
} V1_03;
} V;
VBVAMEMORY vbvaMemory;
} VMMDevMemory;
AssertCompileSize(VMMDevMemory, 8+8 + (12 + (_4M-_1K) + 4*64 + 12) );
AssertCompileMemberOffset(VMMDevMemory, vbvaMemory, 16);
/** Version of VMMDevMemory structure (VMMDevMemory::u32Version). */
#define VMMDEV_MEMORY_VERSION (1)
/** @} */
RT_C_DECLS_END
#pragma pack()
#endif