Quelle vboxguest.h
Sprache: C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR CDDL-1.0) */
/*
* VBoxGuest - VirtualBox Guest Additions Driver Interface .
*
* Copyright ( C ) 2006 - 2016 Oracle Corporation
*/
#ifndef __UAPI_VBOXGUEST_H__
#define __UAPI_VBOXGUEST_H__
#include <asm /bitsperlong.h>
#include <linux/ioctl.h>
#include <linux/vbox_err.h>
#include <linux/vbox_vmmdev_types.h>
/* Version of vbg_ioctl_hdr structure. */
#define VBG_IOCTL_HDR_VERSION 0 x10001
/* Default request type. Use this for non-VMMDev requests. */
#define VBG_IOCTL_HDR_TYPE_DEFAULT 0
/**
* Common ioctl header .
*
* This is a mirror of vmmdev_request_header to prevent duplicating data and
* needing to verify things multiple times .
*/
struct vbg_ioctl_hdr {
/** IN: The request input size, and output size if size_out is zero. */
__u32 size_in;
/** IN: Structure version (VBG_IOCTL_HDR_VERSION) */
__u32 version;
/** IN: The VMMDev request type or VBG_IOCTL_HDR_TYPE_DEFAULT. */
__u32 type;
/**
* OUT : The VBox status code of the operation , out direction only .
* This is a VINF_ or VERR_ value as defined in vbox_err . h .
*/
__s32 rc;
/** IN: Output size. Set to zero to use size_in as output size. */
__u32 size_out;
/** Reserved, MBZ. */
__u32 reserved;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_hdr, 24 );
/*
* The VBoxGuest I / O control version .
*
* As usual , the high word contains the major version and changes to it
* signifies incompatible changes .
*
* The lower word is the minor version number , it is increased when new
* functions are added or existing changed in a backwards compatible manner .
*/
#define VBG_IOC_VERSION 0 x00010000u
/**
* VBG_IOCTL_DRIVER_VERSION_INFO data structure
*
* Note VBG_IOCTL_DRIVER_VERSION_INFO may switch the session to a backwards
* compatible interface version if uClientVersion indicates older client code .
*/
struct vbg_ioctl_driver_version_info {
/** The header. */
struct vbg_ioctl_hdr hdr;
union {
struct {
/** Requested interface version (VBG_IOC_VERSION). */
__u32 req_version;
/**
* Minimum interface version number ( typically the
* major version part of VBG_IOC_VERSION ) .
*/
__u32 min_version;
/** Reserved, MBZ. */
__u32 reserved1;
/** Reserved, MBZ. */
__u32 reserved2;
} in;
struct {
/** Version for this session (typ. VBG_IOC_VERSION). */
__u32 session_version;
/** Version of the IDC interface (VBG_IOC_VERSION). */
__u32 driver_version;
/** The SVN revision of the driver, or 0. */
__u32 driver_revision;
/** Reserved \#1 (zero until defined). */
__u32 reserved1;
/** Reserved \#2 (zero until defined). */
__u32 reserved2;
} out;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_driver_version_info, 24 + 20 );
#define VBG_IOCTL_DRIVER_VERSION_INFO \
_IOWR('V' , 0 , struct vbg_ioctl_driver_version_info)
/* IOCTL to perform a VMM Device request less than 1KB in size. */
#define VBG_IOCTL_VMMDEV_REQUEST(s) _IOC(_IOC_READ | _IOC_WRITE, 'V' , 2 , s)
/* IOCTL to perform a VMM Device request larger then 1KB. */
#define VBG_IOCTL_VMMDEV_REQUEST_BIG _IO('V' , 3 )
/** VBG_IOCTL_HGCM_CONNECT data structure. */
struct vbg_ioctl_hgcm_connect {
struct vbg_ioctl_hdr hdr;
union {
struct {
struct vmmdev_hgcm_service_location loc;
} in;
struct {
__u32 client_id;
} out;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_hgcm_connect, 24 + 132 );
#define VBG_IOCTL_HGCM_CONNECT \
_IOWR('V' , 4 , struct vbg_ioctl_hgcm_connect)
/** VBG_IOCTL_HGCM_DISCONNECT data structure. */
struct vbg_ioctl_hgcm_disconnect {
struct vbg_ioctl_hdr hdr;
union {
struct {
__u32 client_id;
} in;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_hgcm_disconnect, 24 + 4 );
#define VBG_IOCTL_HGCM_DISCONNECT \
_IOWR('V' , 5 , struct vbg_ioctl_hgcm_disconnect)
/** VBG_IOCTL_HGCM_CALL data structure. */
struct vbg_ioctl_hgcm_call {
/** The header. */
struct vbg_ioctl_hdr hdr;
/** Input: The id of the caller. */
__u32 client_id;
/** Input: Function number. */
__u32 function;
/**
* Input : How long to wait ( milliseconds ) for completion before
* cancelling the call . Set to - 1 to wait indefinitely .
*/
__u32 timeout_ms;
/** Interruptable flag, ignored for userspace calls. */
__u8 interruptible;
/** Explicit padding, MBZ. */
__u8 reserved;
/**
* Input : How many parameters following this structure .
*
* The parameters are either HGCMFunctionParameter64 or 32 ,
* depending on whether we ' re receiving a 64 - bit or 32 - bit request .
*
* The current maximum is 61 parameters ( given a 1 KB max request size ,
* and a 64 - bit parameter size of 16 bytes ) .
*/
__u16 parm_count;
/*
* Parameters follow in form :
* struct hgcm_function_parameter < 32 | 64 > parms [ parm_count ]
*/
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_hgcm_call, 24 + 16 );
#define VBG_IOCTL_HGCM_CALL_32(s) _IOC(_IOC_READ | _IOC_WRITE, 'V' , 6 , s)
#define VBG_IOCTL_HGCM_CALL_64(s) _IOC(_IOC_READ | _IOC_WRITE, 'V' , 7 , s)
#if __BITS_PER_LONG == 64
#define VBG_IOCTL_HGCM_CALL(s) VBG_IOCTL_HGCM_CALL_64(s)
#else
#define VBG_IOCTL_HGCM_CALL(s) VBG_IOCTL_HGCM_CALL_32(s)
#endif
/** VBG_IOCTL_LOG data structure. */
struct vbg_ioctl_log {
/** The header. */
struct vbg_ioctl_hdr hdr;
union {
struct {
/**
* The log message , this may be zero terminated . If it
* is not zero terminated then the length is determined
* from the input size .
*/
char msg[1 ];
} in;
} u;
};
#define VBG_IOCTL_LOG(s) _IO('V' , 9 )
/** VBG_IOCTL_WAIT_FOR_EVENTS data structure. */
struct vbg_ioctl_wait_for_events {
/** The header. */
struct vbg_ioctl_hdr hdr;
union {
struct {
/** Timeout in milliseconds. */
__u32 timeout_ms;
/** Events to wait for. */
__u32 events;
} in;
struct {
/** Events that occurred. */
__u32 events;
} out;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_wait_for_events, 24 + 8 );
#define VBG_IOCTL_WAIT_FOR_EVENTS \
_IOWR('V' , 10 , struct vbg_ioctl_wait_for_events)
/*
* IOCTL to VBoxGuest to interrupt ( cancel ) any pending
* VBG_IOCTL_WAIT_FOR_EVENTS and return .
*
* Handled inside the vboxguest driver and not seen by the host at all .
* After calling this , VBG_IOCTL_WAIT_FOR_EVENTS should no longer be called in
* the same session . Any VBOXGUEST_IOCTL_WAITEVENT calls in the same session
* done after calling this will directly exit with - EINTR .
*/
#define VBG_IOCTL_INTERRUPT_ALL_WAIT_FOR_EVENTS \
_IOWR('V' , 11 , struct vbg_ioctl_hdr)
/** VBG_IOCTL_CHANGE_FILTER_MASK data structure. */
struct vbg_ioctl_change_filter {
/** The header. */
struct vbg_ioctl_hdr hdr;
union {
struct {
/** Flags to set. */
__u32 or_mask;
/** Flags to remove. */
__u32 not_mask;
} in;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_change_filter, 24 + 8 );
/* IOCTL to VBoxGuest to control the event filter mask. */
#define VBG_IOCTL_CHANGE_FILTER_MASK \
_IOWR('V' , 12 , struct vbg_ioctl_change_filter)
/** VBG_IOCTL_ACQUIRE_GUEST_CAPABILITIES data structure. */
struct vbg_ioctl_acquire_guest_caps {
/** The header. */
struct vbg_ioctl_hdr hdr;
union {
struct {
/** Flags (VBGL_IOC_AGC_FLAGS_XXX). */
__u32 flags;
/** Capabilities to set (VMMDEV_GUEST_SUPPORTS_XXX). */
__u32 or_mask;
/** Capabilities to drop (VMMDEV_GUEST_SUPPORTS_XXX). */
__u32 not_mask;
} in;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_acquire_guest_caps, 24 + 12 );
#define VBGL_IOC_AGC_FLAGS_CONFIG_ACQUIRE_MODE 0 x00000001
#define VBGL_IOC_AGC_FLAGS_VALID_MASK 0 x00000001
#define VBG_IOCTL_ACQUIRE_GUEST_CAPABILITIES \
_IOWR('V' , 13 , struct vbg_ioctl_acquire_guest_caps)
/** VBG_IOCTL_CHANGE_GUEST_CAPABILITIES data structure. */
struct vbg_ioctl_set_guest_caps {
/** The header. */
struct vbg_ioctl_hdr hdr;
union {
struct {
/** Capabilities to set (VMMDEV_GUEST_SUPPORTS_XXX). */
__u32 or_mask;
/** Capabilities to drop (VMMDEV_GUEST_SUPPORTS_XXX). */
__u32 not_mask;
} in;
struct {
/** Capabilities held by the session after the call. */
__u32 session_caps;
/** Capabilities for all the sessions after the call. */
__u32 global_caps;
} out;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_set_guest_caps, 24 + 8 );
#define VBG_IOCTL_CHANGE_GUEST_CAPABILITIES \
_IOWR('V' , 14 , struct vbg_ioctl_set_guest_caps)
/** VBG_IOCTL_CHECK_BALLOON data structure. */
struct vbg_ioctl_check_balloon {
/** The header. */
struct vbg_ioctl_hdr hdr;
union {
struct {
/** The size of the balloon in chunks of 1MB. */
__u32 balloon_chunks;
/**
* false = handled in R0 , no further action required .
* true = allocate balloon memory in R3 .
*/
__u8 handle_in_r3;
/** Explicit padding, MBZ. */
__u8 padding[3 ];
} out;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_check_balloon, 24 + 8 );
/*
* IOCTL to check memory ballooning .
*
* The guest kernel module will ask the host for the current size of the
* balloon and adjust the size . Or it will set handle_in_r3 = true and R3 is
* responsible for allocating memory and calling VBG_IOCTL_CHANGE_BALLOON .
*/
#define VBG_IOCTL_CHECK_BALLOON \
_IOWR('V' , 17 , struct vbg_ioctl_check_balloon)
/** VBG_IOCTL_WRITE_CORE_DUMP data structure. */
struct vbg_ioctl_write_coredump {
struct vbg_ioctl_hdr hdr;
union {
struct {
__u32 flags; /** Flags (reserved, MBZ). */
} in;
} u;
};
VMMDEV_ASSERT_SIZE(vbg_ioctl_write_coredump, 24 + 4 );
#define VBG_IOCTL_WRITE_CORE_DUMP \
_IOWR('V' , 19 , struct vbg_ioctl_write_coredump)
#endif
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2026-10-11
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