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/* SPDX-License-Identifier: (GPL-2.0 OR CDDL-1.0) */
/*
* Virtual Device for Guest <-> VMM/Host communication, type definitions
* which are also used for the vboxguest ioctl interface / by vboxsf
*
* Copyright (C) 2006-2016 Oracle Corporation
*/
#ifndef __UAPI_VBOX_VMMDEV_TYPES_H__
#define __UAPI_VBOX_VMMDEV_TYPES_H__
#include <asm/bitsperlong.h>
#include <linux/types.h>
/*
* We cannot use linux' compiletime_assert here because it expects to be used
* inside a function only. Use a typedef to a char array with a negative size.
*/
#define VMMDEV_ASSERT_SIZE(type, size) \
typedef char type ## _asrt_size[1 - 2*!!(sizeof(struct type) != (size))]
/** enum vmmdev_request_type - VMMDev request types. */
enum vmmdev_request_type {
VMMDEVREQ_INVALID_REQUEST = 0,
VMMDEVREQ_GET_MOUSE_STATUS = 1,
VMMDEVREQ_SET_MOUSE_STATUS = 2,
VMMDEVREQ_SET_POINTER_SHAPE = 3,
VMMDEVREQ_GET_HOST_VERSION = 4,
VMMDEVREQ_IDLE = 5,
VMMDEVREQ_GET_HOST_TIME = 10,
VMMDEVREQ_GET_HYPERVISOR_INFO = 20,
VMMDEVREQ_SET_HYPERVISOR_INFO = 21,
VMMDEVREQ_REGISTER_PATCH_MEMORY = 22, /* since version 3.0.6 */
VMMDEVREQ_DEREGISTER_PATCH_MEMORY = 23, /* since version 3.0.6 */
VMMDEVREQ_SET_POWER_STATUS = 30,
VMMDEVREQ_ACKNOWLEDGE_EVENTS = 41,
VMMDEVREQ_CTL_GUEST_FILTER_MASK = 42,
VMMDEVREQ_REPORT_GUEST_INFO = 50,
VMMDEVREQ_REPORT_GUEST_INFO2 = 58, /* since version 3.2.0 */
VMMDEVREQ_REPORT_GUEST_STATUS = 59, /* since version 3.2.8 */
VMMDEVREQ_REPORT_GUEST_USER_STATE = 74, /* since version 4.3 */
/* Retrieve a display resize request sent by the host, deprecated. */
VMMDEVREQ_GET_DISPLAY_CHANGE_REQ = 51,
VMMDEVREQ_VIDEMODE_SUPPORTED = 52,
VMMDEVREQ_GET_HEIGHT_REDUCTION = 53,
/**
* @VMMDEVREQ_GET_DISPLAY_CHANGE_REQ2:
* Retrieve a display resize request sent by the host.
*
* Queries a display resize request sent from the host. If the
* event_ack 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 event_ack is set to false, the last host request queried with
* event_ack 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_GET_DISPLAY_CHANGE_REQ2 = 54,
VMMDEVREQ_REPORT_GUEST_CAPABILITIES = 55,
VMMDEVREQ_SET_GUEST_CAPABILITIES = 56,
VMMDEVREQ_VIDEMODE_SUPPORTED2 = 57, /* since version 3.2.0 */
VMMDEVREQ_GET_DISPLAY_CHANGE_REQEX = 80, /* since version 4.2.4 */
VMMDEVREQ_HGCM_CONNECT = 60,
VMMDEVREQ_HGCM_DISCONNECT = 61,
VMMDEVREQ_HGCM_CALL32 = 62,
VMMDEVREQ_HGCM_CALL64 = 63,
VMMDEVREQ_HGCM_CANCEL = 64,
VMMDEVREQ_HGCM_CANCEL2 = 65,
VMMDEVREQ_VIDEO_ACCEL_ENABLE = 70,
VMMDEVREQ_VIDEO_ACCEL_FLUSH = 71,
VMMDEVREQ_VIDEO_SET_VISIBLE_REGION = 72,
VMMDEVREQ_GET_SEAMLESS_CHANGE_REQ = 73,
VMMDEVREQ_QUERY_CREDENTIALS = 100,
VMMDEVREQ_REPORT_CREDENTIALS_JUDGEMENT = 101,
VMMDEVREQ_REPORT_GUEST_STATS = 110,
VMMDEVREQ_GET_MEMBALLOON_CHANGE_REQ = 111,
VMMDEVREQ_GET_STATISTICS_CHANGE_REQ = 112,
VMMDEVREQ_CHANGE_MEMBALLOON = 113,
VMMDEVREQ_GET_VRDPCHANGE_REQ = 150,
VMMDEVREQ_LOG_STRING = 200,
VMMDEVREQ_GET_CPU_HOTPLUG_REQ = 210,
VMMDEVREQ_SET_CPU_HOTPLUG_STATUS = 211,
VMMDEVREQ_REGISTER_SHARED_MODULE = 212,
VMMDEVREQ_UNREGISTER_SHARED_MODULE = 213,
VMMDEVREQ_CHECK_SHARED_MODULES = 214,
VMMDEVREQ_GET_PAGE_SHARING_STATUS = 215,
VMMDEVREQ_DEBUG_IS_PAGE_SHARED = 216,
VMMDEVREQ_GET_SESSION_ID = 217, /* since version 3.2.8 */
VMMDEVREQ_WRITE_COREDUMP = 218,
VMMDEVREQ_GUEST_HEARTBEAT = 219,
VMMDEVREQ_HEARTBEAT_CONFIGURE = 220,
/* Ensure the enum is a 32 bit data-type */
VMMDEVREQ_SIZEHACK = 0x7fffffff
};
#if __BITS_PER_LONG == 64
#define VMMDEVREQ_HGCM_CALL VMMDEVREQ_HGCM_CALL64
#else
#define VMMDEVREQ_HGCM_CALL VMMDEVREQ_HGCM_CALL32
#endif
/** HGCM service location types. */
enum vmmdev_hgcm_service_location_type {
VMMDEV_HGCM_LOC_INVALID = 0,
VMMDEV_HGCM_LOC_LOCALHOST = 1,
VMMDEV_HGCM_LOC_LOCALHOST_EXISTING = 2,
/* Ensure the enum is a 32 bit data-type */
VMMDEV_HGCM_LOC_SIZEHACK = 0x7fffffff
};
/** HGCM host service location. */
struct vmmdev_hgcm_service_location_localhost {
/** Service name */
char service_name[128];
};
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_service_location_localhost, 128);
/** HGCM service location. */
struct vmmdev_hgcm_service_location {
/** Type of the location. */
enum vmmdev_hgcm_service_location_type type;
union {
struct vmmdev_hgcm_service_location_localhost localhost;
} u;
};
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_service_location, 128 + 4);
/** HGCM function parameter type. */
enum vmmdev_hgcm_function_parameter_type {
VMMDEV_HGCM_PARM_TYPE_INVALID = 0,
VMMDEV_HGCM_PARM_TYPE_32BIT = 1,
VMMDEV_HGCM_PARM_TYPE_64BIT = 2,
/** Deprecated Doesn't work, use PAGELIST. */
VMMDEV_HGCM_PARM_TYPE_PHYSADDR = 3,
/** In and Out, user-memory */
VMMDEV_HGCM_PARM_TYPE_LINADDR = 4,
/** In, user-memory (read; host<-guest) */
VMMDEV_HGCM_PARM_TYPE_LINADDR_IN = 5,
/** Out, user-memory (write; host->guest) */
VMMDEV_HGCM_PARM_TYPE_LINADDR_OUT = 6,
/** In and Out, kernel-memory */
VMMDEV_HGCM_PARM_TYPE_LINADDR_KERNEL = 7,
/** In, kernel-memory (read; host<-guest) */
VMMDEV_HGCM_PARM_TYPE_LINADDR_KERNEL_IN = 8,
/** Out, kernel-memory (write; host->guest) */
VMMDEV_HGCM_PARM_TYPE_LINADDR_KERNEL_OUT = 9,
/** Physical addresses of locked pages for a buffer. */
VMMDEV_HGCM_PARM_TYPE_PAGELIST = 10,
/* Ensure the enum is a 32 bit data-type */
VMMDEV_HGCM_PARM_TYPE_SIZEHACK = 0x7fffffff
};
/** HGCM function parameter, 32-bit client. */
struct vmmdev_hgcm_function_parameter32 {
enum vmmdev_hgcm_function_parameter_type type;
union {
__u32 value32;
__u64 value64;
struct {
__u32 size;
union {
__u32 phys_addr;
__u32 linear_addr;
} u;
} pointer;
struct {
/** Size of the buffer described by the page list. */
__u32 size;
/** Relative to the request header. */
__u32 offset;
} page_list;
} u;
} __attribute__((packed));
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_function_parameter32, 4 + 8);
/** HGCM function parameter, 64-bit client. */
struct vmmdev_hgcm_function_parameter64 {
enum vmmdev_hgcm_function_parameter_type type;
union {
__u32 value32;
__u64 value64;
struct {
__u32 size;
union {
__u64 phys_addr;
__u64 linear_addr;
} u;
} __attribute__((packed)) pointer;
struct {
/** Size of the buffer described by the page list. */
__u32 size;
/** Relative to the request header. */
__u32 offset;
} page_list;
} __attribute__((packed)) u;
} __attribute__((packed));
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_function_parameter64, 4 + 12);
#if __BITS_PER_LONG == 64
#define vmmdev_hgcm_function_parameter vmmdev_hgcm_function_parameter64
#else
#define vmmdev_hgcm_function_parameter vmmdev_hgcm_function_parameter32
#endif
#define VMMDEV_HGCM_F_PARM_DIRECTION_NONE 0x00000000U
#define VMMDEV_HGCM_F_PARM_DIRECTION_TO_HOST 0x00000001U
#define VMMDEV_HGCM_F_PARM_DIRECTION_FROM_HOST 0x00000002U
#define VMMDEV_HGCM_F_PARM_DIRECTION_BOTH 0x00000003U
/**
* struct vmmdev_hgcm_pagelist - VMMDEV_HGCM_PARM_TYPE_PAGELIST parameters
* point to this structure to actually describe the buffer.
*/
struct vmmdev_hgcm_pagelist {
__u32 flags; /** VMMDEV_HGCM_F_PARM_*. */
__u16 offset_first_page; /** Data offset in the first page. */
__u16 page_count; /** Number of pages. */
__u64 pages[1]; /** Page addresses. */
};
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_pagelist, 4 + 2 + 2 + 8);
#endif