/** @file * Virtual Device for Guest <-> VMM/Host communication (ADD,DEV). */ /* * Copyright (C) 2006-2019 Oracle Corporation * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #ifndef VBOX_INCLUDED_VMMDev_h #define VBOX_INCLUDED_VMMDev_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif #include #include /* for the PCI IDs. */ #include #include #include #include #include #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 /** Port for requests that can be handled w/o going to ring-3 (relative offset). * This works like VMMDevReq_AcknowledgeEvents when read. */ #define VMMDEV_PORT_OFF_REQUEST_FAST 8 /** @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. * @note This used to be 1024, which is kind of insane. Was changed to 32, * given that (guest) user land can only pass 61 anyway. * See comments on VBGLIOCHGCMCALL::cParms. */ #define VMMDEV_MAX_HGCM_PARMS 32 /** Maximum total size of hgcm buffers in one call. * @note Used to be 2G, since reduced to 128MB. */ #define VMMDEV_MAX_HGCM_DATA_SIZE _128M /** * VMMDev request types. * @note when updating this, adjust vmmdevGetRequestSize() as well */ typedef enum VMMDevRequestType { 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 */ VMMDevReq_GetDisplayChangeRequestMulti = 81, #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_NtBugCheck = 221, 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 || ARCH_BITS == 16 # 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. * * This structure is copied/mirrored by VBGLREQHDR in the VBoxGuest I/O control * interface. Changes there needs to be mirrored in it. * * @sa VBGLREQHDR */ typedef struct VMMDevRequestHeader { /** IN: Size of the structure in bytes (including body). * (VBGLREQHDR uses this for input size and output if reserved1 is zero). */ uint32_t size; /** IN: Version of the structure. */ uint32_t version; /** IN: Type of the request. * @note VBGLREQHDR uses this for optional output size. */ VMMDevRequestType requestType; /** OUT: VBox status code. */ int32_t rc; /** Reserved field no.1. MBZ. * @note VBGLREQHDR uses this for optional output size, however never for a * real VMMDev request, only in the I/O control interface. */ uint32_t reserved1; /** IN: Requestor information (VMMDEV_REQUESTOR_XXX) when * VBOXGSTINFO2_F_REQUESTOR_INFO is set, otherwise ignored by the host. */ uint32_t fRequestor; } VMMDevRequestHeader; AssertCompileSize(VMMDevRequestHeader, 24); /** @name VMMDEV_REQUESTOR_XXX - Requestor information. * * This is information provided to the host by the VBoxGuest device driver, so * the host can implemented fine grained access to functionality if it likes. * @bugref{9105} * * @{ */ /** Requestor user not given. */ #define VMMDEV_REQUESTOR_USR_NOT_GIVEN UINT32_C(0x00000000) /** The kernel driver (VBoxGuest) is the requestor. */ #define VMMDEV_REQUESTOR_USR_DRV UINT32_C(0x00000001) /** Some other kernel driver is the requestor. */ #define VMMDEV_REQUESTOR_USR_DRV_OTHER UINT32_C(0x00000002) /** The root or a admin user is the requestor. */ #define VMMDEV_REQUESTOR_USR_ROOT UINT32_C(0x00000003) /** Requestor is the windows system user (SID S-1-5-18). */ #define VMMDEV_REQUESTOR_USR_SYSTEM UINT32_C(0x00000004) /** Reserved requestor user \#1, treat like VMMDEV_REQUESTOR_USR_USER. */ #define VMMDEV_REQUESTOR_USR_RESERVED1 UINT32_C(0x00000005) /** Regular joe user is making the request. */ #define VMMDEV_REQUESTOR_USR_USER UINT32_C(0x00000006) /** Requestor is a guest user (or in a guest user group). */ #define VMMDEV_REQUESTOR_USR_GUEST UINT32_C(0x00000007) /** User classification mask. */ #define VMMDEV_REQUESTOR_USR_MASK UINT32_C(0x00000007) /** Kernel mode request. * @note This is zero, so test for VMMDEV_REQUESTOR_USERMODE instead. */ #define VMMDEV_REQUESTOR_KERNEL UINT32_C(0x00000000) /** User mode request. */ #define VMMDEV_REQUESTOR_USERMODE UINT32_C(0x00000008) /** Don't know the physical console association of the requestor. */ #define VMMDEV_REQUESTOR_CON_DONT_KNOW UINT32_C(0x00000000) /** The request originates with a process that is NOT associated with the * physical console. */ #define VMMDEV_REQUESTOR_CON_NO UINT32_C(0x00000010) /** Requestor process DOES is associated with the physical console. */ #define VMMDEV_REQUESTOR_CON_YES UINT32_C(0x00000020) /** Requestor process belongs to user on the physical console, but cannot * ascertain that it is associated with that login. */ #define VMMDEV_REQUESTOR_CON_USER UINT32_C(0x00000030) /** Requestor process belongs to user on the physical console, but cannot * ascertain that it is associated with that login. */ #define VMMDEV_REQUESTOR_CON_MASK UINT32_C(0x00000040) /** Requestor is member of special VirtualBox user group (not on windows). */ #define VMMDEV_REQUESTOR_GRP_VBOX UINT32_C(0x00000080) /** Requestor is member of wheel / administrators group (SID S-1-5-32-544). */ #define VMMDEV_REQUESTOR_GRP_WHEEL UINT32_C(0x00000100) /** Requestor trust level: Unspecified */ #define VMMDEV_REQUESTOR_TRUST_NOT_GIVEN UINT32_C(0x00000000) /** Requestor trust level: Untrusted (SID S-1-16-0) */ #define VMMDEV_REQUESTOR_TRUST_UNTRUSTED UINT32_C(0x00001000) /** Requestor trust level: Untrusted (SID S-1-16-4096) */ #define VMMDEV_REQUESTOR_TRUST_LOW UINT32_C(0x00002000) /** Requestor trust level: Medium (SID S-1-16-8192) */ #define VMMDEV_REQUESTOR_TRUST_MEDIUM UINT32_C(0x00003000) /** Requestor trust level: Medium plus (SID S-1-16-8448) */ #define VMMDEV_REQUESTOR_TRUST_MEDIUM_PLUS UINT32_C(0x00004000) /** Requestor trust level: High (SID S-1-16-12288) */ #define VMMDEV_REQUESTOR_TRUST_HIGH UINT32_C(0x00005000) /** Requestor trust level: System (SID S-1-16-16384) */ #define VMMDEV_REQUESTOR_TRUST_SYSTEM UINT32_C(0x00006000) /** Requestor trust level: Protected or higher (SID S-1-16-20480, S-1-16-28672) * @note To avoid wasting an unnecessary bit, we combine the two top most * mandatory security labels on Windows (protected and secure). */ #define VMMDEV_REQUESTOR_TRUST_PROTECTED UINT32_C(0x00007000) /** Requestor trust level mask. * The higher the value, the more the guest trusts the process. */ #define VMMDEV_REQUESTOR_TRUST_MASK UINT32_C(0x00007000) /** Requestor is using the less trusted user device node (/dev/vboxuser). */ #define VMMDEV_REQUESTOR_USER_DEVICE UINT32_C(0x00008000) /** There is no user device node (/dev/vboxuser). */ #define VMMDEV_REQUESTOR_NO_USER_DEVICE UINT32_C(0x00010000) /** Legacy value for when VBOXGSTINFO2_F_REQUESTOR_INFO is clear. * @internal Host only. */ #define VMMDEV_REQUESTOR_LEGACY UINT32_MAX /** Lowest conceivable trust level, for error situations of getters. * @internal Host only. */ #define VMMDEV_REQUESTOR_LOWEST ( VMMDEV_REQUESTOR_TRUST_UNTRUSTED | VMMDEV_REQUESTOR_USER_DEVICE \ | VMMDEV_REQUESTOR_CON_NO | VMMDEV_REQUESTOR_USERMODE \ | VMMDEV_REQUESTOR_USR_GUEST) /** Used on the host to check whether a requestor value is present or not. */ #define VMMDEV_REQUESTOR_IS_PRESENT(a_fRequestor) ((a_fRequestor) != VMMDEV_REQUESTOR_LEGACY) /** @} */ /** Initialize a VMMDevRequestHeader structure. * Same as VBGLREQHDR_INIT_VMMDEV(). */ #define VMMDEV_REQ_HDR_INIT(a_pHdr, a_cb, a_enmType) \ do { \ (a_pHdr)->size = (a_cb); \ (a_pHdr)->version = VMMDEV_REQUEST_HEADER_VERSION; \ (a_pHdr)->requestType = (a_enmType); \ (a_pHdr)->rc = VERR_INTERNAL_ERROR; \ (a_pHdr)->reserved1 = 0; \ (a_pHdr)->fRequestor = 0; \ } while (0) /** * 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 from VBox/Graphics/VBoxVideo.h. */ 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_UOFFSETOF(VMMDevReqMousePointer, pointerData[0]); size_t cbMask = (width + 7) / 8 * height; size_t cbArgb = width * height * 4; return RT_MAX(cbBase + ((cbMask + 3) & ~3) + cbArgb, sizeof(VMMDevReqMousePointer)); } /** * 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 VMMDEV_HVF_XXX - VMMDevReqHostVersion::features * @{ */ /** Physical page lists are supported by HGCM. */ #define VMMDEV_HVF_HGCM_PHYS_PAGE_LIST RT_BIT_32(0) /** HGCM supports the embedded buffer parameter type. */ #define VMMDEV_HVF_HGCM_EMBEDDED_BUFFERS RT_BIT_32(1) /** HGCM supports the contiguous page list parameter type. */ #define VMMDEV_HVF_HGCM_CONTIGUOUS_PAGE_LIST RT_BIT_32(2) /** VMMDev supports fast IRQ acknowledgements. */ #define VMMDEV_HVF_FAST_IRQ_ACK RT_BIT_32(31) /** @} */ /** * 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); /** * 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, VBOXGSTINFO2_F_XXX. */ 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); /** @name VBOXGSTINFO2_F_XXX - Features * @{ */ /** Request header carries requestor information. */ #define VBOXGSTINFO2_F_REQUESTOR_INFO RT_BIT_32(0) /** @} */ /** * Guest information report, version 2. * * Used by VMMDevReq_ReportGuestInfo2. */ typedef struct { /** Header. */ VMMDevRequestHeader header; /** Guest information. */ VBoxGuestInfo2 guestInfo; } VMMDevReportGuestInfo2; AssertCompileSize(VMMDevReportGuestInfo2, 24+144); /** * 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); /** * 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); /** * 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); /** Flags for VMMDevDisplayDef::fDisplayFlags */ #define VMMDEV_DISPLAY_PRIMARY UINT32_C(0x00000001) /**< Primary display. */ #define VMMDEV_DISPLAY_DISABLED UINT32_C(0x00000002) /**< Display is disabled. */ #define VMMDEV_DISPLAY_ORIGIN UINT32_C(0x00000004) /**< Change position of the diplay. */ #define VMMDEV_DISPLAY_CX UINT32_C(0x00000008) /**< Change the horizontal resolution of the display. */ #define VMMDEV_DISPLAY_CY UINT32_C(0x00000010) /**< Change the vertical resolution of the display. */ #define VMMDEV_DISPLAY_BPP UINT32_C(0x00000020) /**< Change the color depth of the display. */ /** Definition of one monitor. Used by VMMDevReq_GetDisplayChangeRequestMulti. */ typedef struct VMMDevDisplayDef { uint32_t fDisplayFlags; /**< VMMDEV_DISPLAY_* flags. */ uint32_t idDisplay; /**< The display number. */ int32_t xOrigin; /**< New OriginX of the guest screen. */ int32_t yOrigin; /**< New OriginY of the guest screen. */ uint32_t cx; /**< Horizontal pixel resolution. */ uint32_t cy; /**< Vertical pixel resolution. */ uint32_t cBitsPerPixel; /**< Bits per pixel. */ } VMMDevDisplayDef; AssertCompileSize(VMMDevDisplayDef, 28); /** Multimonitor display change request structure. Used by VMMDevReq_GetDisplayChangeRequestMulti. */ typedef struct VMMDevDisplayChangeRequestMulti { VMMDevRequestHeader header; /**< Header. */ uint32_t eventAck; /**< 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 cDisplays; /**< Number of monitors. In: how many the guest expects. * Out: how many the host provided. */ VMMDevDisplayDef aDisplays[1]; /**< Layout of monitors. */ } VMMDevDisplayChangeRequestMulti; AssertCompileSize(VMMDevDisplayChangeRequestMulti, 24+8+28); /** * 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); AssertCompileSize(VMMDEVSHAREDREGIONDESC, 16); /* structure was promoted to VBox/types.h. */ #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); /** * NT bug check report. * Used by VMMDevReq_NtBugCheck. * @remarks Can be issued with just the header if no more data is available. */ typedef struct { /** Header. */ VMMDevRequestHeader header; /** The bug check number (P0). */ uint64_t uBugCheck; /** The four bug check parameters. */ uint64_t auParameters[4]; } VMMDevReqNtBugCheck; AssertCompileSize(VMMDevReqNtBugCheck, 24+40); #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 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_GetDisplayChangeRequestMulti: return RT_UOFFSETOF(VMMDevDisplayChangeRequestMulti, aDisplays[0]); 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->fRequestor = 0; return VINF_SUCCESS; } /** @} */ /** @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 VMMDEV_VBVA_RING_BUFFER_SIZE (_4M - _1K) #define VMMDEV_VBVA_RING_BUFFER_THRESHOLD (4 * _1K) #define VMMDEV_VBVA_MAX_RECORDS (64) /** @} */ /** * VBVA record. */ typedef struct VMMDEVVBVARECORD { /** The length of the record. Changed by guest. */ uint32_t cbRecord; } VMMDEVVBVARECORD; AssertCompileSize(VMMDEVVBVARECORD, 4); #if ARCH_BITS >= 32 /** * 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[VMMDEV_VBVA_RING_BUFFER_SIZE]; /** The queue of record descriptions. */ VMMDEVVBVARECORD aRecords[VMMDEV_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) #endif /* ARCH_BITS >= 32 */ /** @} */ RT_C_DECLS_END #pragma pack() #endif