/* SPDX-License-Identifier: (GPL-2.0 OR CDDL-1.0) */
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/*
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* Virtual Device for Guest <-> VMM/Host communication, type definitions
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* which are also used for the vboxguest ioctl interface / by vboxsf
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*
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* Copyright (C) 2006-2016 Oracle Corporation
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*/
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#ifndef __UAPI_VBOX_VMMDEV_TYPES_H__
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#define __UAPI_VBOX_VMMDEV_TYPES_H__
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#include <asm/bitsperlong.h>
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#include <linux/types.h>
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/*
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* We cannot use linux' compiletime_assert here because it expects to be used
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* inside a function only. Use a typedef to a char array with a negative size.
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*/
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#define VMMDEV_ASSERT_SIZE(type, size) \
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typedef char type ## _asrt_size[1 - 2*!!(sizeof(struct type) != (size))]
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/** enum vmmdev_request_type - VMMDev request types. */
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enum vmmdev_request_type {
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VMMDEVREQ_INVALID_REQUEST = 0,
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VMMDEVREQ_GET_MOUSE_STATUS = 1,
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VMMDEVREQ_SET_MOUSE_STATUS = 2,
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VMMDEVREQ_SET_POINTER_SHAPE = 3,
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VMMDEVREQ_GET_HOST_VERSION = 4,
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VMMDEVREQ_IDLE = 5,
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VMMDEVREQ_GET_HOST_TIME = 10,
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VMMDEVREQ_GET_HYPERVISOR_INFO = 20,
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VMMDEVREQ_SET_HYPERVISOR_INFO = 21,
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VMMDEVREQ_REGISTER_PATCH_MEMORY = 22, /* since version 3.0.6 */
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VMMDEVREQ_DEREGISTER_PATCH_MEMORY = 23, /* since version 3.0.6 */
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VMMDEVREQ_SET_POWER_STATUS = 30,
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VMMDEVREQ_ACKNOWLEDGE_EVENTS = 41,
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VMMDEVREQ_CTL_GUEST_FILTER_MASK = 42,
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VMMDEVREQ_REPORT_GUEST_INFO = 50,
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VMMDEVREQ_REPORT_GUEST_INFO2 = 58, /* since version 3.2.0 */
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VMMDEVREQ_REPORT_GUEST_STATUS = 59, /* since version 3.2.8 */
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VMMDEVREQ_REPORT_GUEST_USER_STATE = 74, /* since version 4.3 */
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/* Retrieve a display resize request sent by the host, deprecated. */
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VMMDEVREQ_GET_DISPLAY_CHANGE_REQ = 51,
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VMMDEVREQ_VIDEMODE_SUPPORTED = 52,
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VMMDEVREQ_GET_HEIGHT_REDUCTION = 53,
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/**
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* @VMMDEVREQ_GET_DISPLAY_CHANGE_REQ2:
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* Retrieve a display resize request sent by the host.
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*
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* Queries a display resize request sent from the host. If the
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* event_ack member is sent to true and there is an unqueried request
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* available for one of the virtual display then that request will
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* be returned. If several displays have unqueried requests the lowest
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* numbered display will be chosen first. Only the most recent unseen
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* request for each display is remembered.
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* If event_ack is set to false, the last host request queried with
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* event_ack set is resent, or failing that the most recent received
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* from the host. If no host request was ever received then all zeros
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* are returned.
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*/
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VMMDEVREQ_GET_DISPLAY_CHANGE_REQ2 = 54,
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VMMDEVREQ_REPORT_GUEST_CAPABILITIES = 55,
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VMMDEVREQ_SET_GUEST_CAPABILITIES = 56,
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VMMDEVREQ_VIDEMODE_SUPPORTED2 = 57, /* since version 3.2.0 */
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VMMDEVREQ_GET_DISPLAY_CHANGE_REQEX = 80, /* since version 4.2.4 */
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VMMDEVREQ_HGCM_CONNECT = 60,
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VMMDEVREQ_HGCM_DISCONNECT = 61,
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VMMDEVREQ_HGCM_CALL32 = 62,
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VMMDEVREQ_HGCM_CALL64 = 63,
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VMMDEVREQ_HGCM_CANCEL = 64,
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VMMDEVREQ_HGCM_CANCEL2 = 65,
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VMMDEVREQ_VIDEO_ACCEL_ENABLE = 70,
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VMMDEVREQ_VIDEO_ACCEL_FLUSH = 71,
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VMMDEVREQ_VIDEO_SET_VISIBLE_REGION = 72,
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VMMDEVREQ_GET_SEAMLESS_CHANGE_REQ = 73,
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VMMDEVREQ_QUERY_CREDENTIALS = 100,
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VMMDEVREQ_REPORT_CREDENTIALS_JUDGEMENT = 101,
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VMMDEVREQ_REPORT_GUEST_STATS = 110,
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VMMDEVREQ_GET_MEMBALLOON_CHANGE_REQ = 111,
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VMMDEVREQ_GET_STATISTICS_CHANGE_REQ = 112,
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VMMDEVREQ_CHANGE_MEMBALLOON = 113,
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VMMDEVREQ_GET_VRDPCHANGE_REQ = 150,
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VMMDEVREQ_LOG_STRING = 200,
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VMMDEVREQ_GET_CPU_HOTPLUG_REQ = 210,
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VMMDEVREQ_SET_CPU_HOTPLUG_STATUS = 211,
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VMMDEVREQ_REGISTER_SHARED_MODULE = 212,
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VMMDEVREQ_UNREGISTER_SHARED_MODULE = 213,
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VMMDEVREQ_CHECK_SHARED_MODULES = 214,
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VMMDEVREQ_GET_PAGE_SHARING_STATUS = 215,
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VMMDEVREQ_DEBUG_IS_PAGE_SHARED = 216,
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VMMDEVREQ_GET_SESSION_ID = 217, /* since version 3.2.8 */
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VMMDEVREQ_WRITE_COREDUMP = 218,
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VMMDEVREQ_GUEST_HEARTBEAT = 219,
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VMMDEVREQ_HEARTBEAT_CONFIGURE = 220,
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/* Ensure the enum is a 32 bit data-type */
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VMMDEVREQ_SIZEHACK = 0x7fffffff
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};
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#if __BITS_PER_LONG == 64
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#define VMMDEVREQ_HGCM_CALL VMMDEVREQ_HGCM_CALL64
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#else
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#define VMMDEVREQ_HGCM_CALL VMMDEVREQ_HGCM_CALL32
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#endif
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/** HGCM service location types. */
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enum vmmdev_hgcm_service_location_type {
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VMMDEV_HGCM_LOC_INVALID = 0,
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VMMDEV_HGCM_LOC_LOCALHOST = 1,
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VMMDEV_HGCM_LOC_LOCALHOST_EXISTING = 2,
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/* Ensure the enum is a 32 bit data-type */
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VMMDEV_HGCM_LOC_SIZEHACK = 0x7fffffff
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};
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/** HGCM host service location. */
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struct vmmdev_hgcm_service_location_localhost {
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/** Service name */
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char service_name[128];
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};
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VMMDEV_ASSERT_SIZE(vmmdev_hgcm_service_location_localhost, 128);
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/** HGCM service location. */
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struct vmmdev_hgcm_service_location {
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/** Type of the location. */
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enum vmmdev_hgcm_service_location_type type;
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union {
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struct vmmdev_hgcm_service_location_localhost localhost;
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} u;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_hgcm_service_location, 128 + 4);
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/** HGCM function parameter type. */
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enum vmmdev_hgcm_function_parameter_type {
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VMMDEV_HGCM_PARM_TYPE_INVALID = 0,
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VMMDEV_HGCM_PARM_TYPE_32BIT = 1,
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VMMDEV_HGCM_PARM_TYPE_64BIT = 2,
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/** Deprecated Doesn't work, use PAGELIST. */
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VMMDEV_HGCM_PARM_TYPE_PHYSADDR = 3,
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/** In and Out, user-memory */
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VMMDEV_HGCM_PARM_TYPE_LINADDR = 4,
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/** In, user-memory (read; host<-guest) */
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VMMDEV_HGCM_PARM_TYPE_LINADDR_IN = 5,
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/** Out, user-memory (write; host->guest) */
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VMMDEV_HGCM_PARM_TYPE_LINADDR_OUT = 6,
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/** In and Out, kernel-memory */
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VMMDEV_HGCM_PARM_TYPE_LINADDR_KERNEL = 7,
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/** In, kernel-memory (read; host<-guest) */
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VMMDEV_HGCM_PARM_TYPE_LINADDR_KERNEL_IN = 8,
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/** Out, kernel-memory (write; host->guest) */
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VMMDEV_HGCM_PARM_TYPE_LINADDR_KERNEL_OUT = 9,
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/** Physical addresses of locked pages for a buffer. */
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VMMDEV_HGCM_PARM_TYPE_PAGELIST = 10,
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/* Ensure the enum is a 32 bit data-type */
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VMMDEV_HGCM_PARM_TYPE_SIZEHACK = 0x7fffffff
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};
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/** HGCM function parameter, 32-bit client. */
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struct vmmdev_hgcm_function_parameter32 {
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enum vmmdev_hgcm_function_parameter_type type;
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union {
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__u32 value32;
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__u64 value64;
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struct {
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__u32 size;
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union {
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__u32 phys_addr;
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__u32 linear_addr;
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} u;
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} pointer;
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struct {
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/** Size of the buffer described by the page list. */
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__u32 size;
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/** Relative to the request header. */
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__u32 offset;
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} page_list;
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} u;
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} __packed;
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VMMDEV_ASSERT_SIZE(vmmdev_hgcm_function_parameter32, 4 + 8);
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/** HGCM function parameter, 64-bit client. */
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struct vmmdev_hgcm_function_parameter64 {
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enum vmmdev_hgcm_function_parameter_type type;
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union {
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__u32 value32;
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__u64 value64;
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struct {
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__u32 size;
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union {
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__u64 phys_addr;
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__u64 linear_addr;
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} u;
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} __packed pointer;
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struct {
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/** Size of the buffer described by the page list. */
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__u32 size;
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/** Relative to the request header. */
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__u32 offset;
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} page_list;
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} __packed u;
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} __packed;
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VMMDEV_ASSERT_SIZE(vmmdev_hgcm_function_parameter64, 4 + 12);
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#if __BITS_PER_LONG == 64
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#define vmmdev_hgcm_function_parameter vmmdev_hgcm_function_parameter64
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#else
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#define vmmdev_hgcm_function_parameter vmmdev_hgcm_function_parameter32
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#endif
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#define VMMDEV_HGCM_F_PARM_DIRECTION_NONE 0x00000000U
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#define VMMDEV_HGCM_F_PARM_DIRECTION_TO_HOST 0x00000001U
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#define VMMDEV_HGCM_F_PARM_DIRECTION_FROM_HOST 0x00000002U
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#define VMMDEV_HGCM_F_PARM_DIRECTION_BOTH 0x00000003U
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/**
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* struct vmmdev_hgcm_pagelist - VMMDEV_HGCM_PARM_TYPE_PAGELIST parameters
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* point to this structure to actually describe the buffer.
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*/
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struct vmmdev_hgcm_pagelist {
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__u32 flags; /** VMMDEV_HGCM_F_PARM_*. */
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__u16 offset_first_page; /** Data offset in the first page. */
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__u16 page_count; /** Number of pages. */
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__u64 pages[1]; /** Page addresses. */
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};
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VMMDEV_ASSERT_SIZE(vmmdev_hgcm_pagelist, 4 + 2 + 2 + 8);
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#endif
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