454 lines
14 KiB
C
454 lines
14 KiB
C
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/* 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 interface
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*
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* Copyright (C) 2006-2016 Oracle Corporation
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*/
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#ifndef __VBOX_VMMDEV_H__
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#define __VBOX_VMMDEV_H__
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#include <asm/bitsperlong.h>
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#include <linux/sizes.h>
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#include <linux/types.h>
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#include <linux/vbox_vmmdev_types.h>
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/* Port for generic request interface (relative offset). */
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#define VMMDEV_PORT_OFF_REQUEST 0
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/** Layout of VMMDEV RAM region that contains information for guest. */
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struct vmmdev_memory {
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/** The size of this structure. */
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u32 size;
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/** The structure version. (VMMDEV_MEMORY_VERSION) */
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u32 version;
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union {
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struct {
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/** Flag telling that VMMDev has events pending. */
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u8 have_events;
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/** Explicit padding, MBZ. */
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u8 padding[3];
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} V1_04;
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struct {
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/** Pending events flags, set by host. */
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u32 host_events;
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/** Mask of events the guest wants, set by guest. */
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u32 guest_event_mask;
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} V1_03;
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} V;
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/* struct vbva_memory, not used */
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};
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VMMDEV_ASSERT_SIZE(vmmdev_memory, 8 + 8);
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/** Version of vmmdev_memory structure (vmmdev_memory::version). */
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#define VMMDEV_MEMORY_VERSION (1)
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/* Host mouse capabilities has been changed. */
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#define VMMDEV_EVENT_MOUSE_CAPABILITIES_CHANGED BIT(0)
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/* HGCM event. */
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#define VMMDEV_EVENT_HGCM BIT(1)
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/* A display change request has been issued. */
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#define VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST BIT(2)
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/* Credentials are available for judgement. */
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#define VMMDEV_EVENT_JUDGE_CREDENTIALS BIT(3)
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/* The guest has been restored. */
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#define VMMDEV_EVENT_RESTORED BIT(4)
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/* Seamless mode state changed. */
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#define VMMDEV_EVENT_SEAMLESS_MODE_CHANGE_REQUEST BIT(5)
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/* Memory balloon size changed. */
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#define VMMDEV_EVENT_BALLOON_CHANGE_REQUEST BIT(6)
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/* Statistics interval changed. */
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#define VMMDEV_EVENT_STATISTICS_INTERVAL_CHANGE_REQUEST BIT(7)
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/* VRDP status changed. */
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#define VMMDEV_EVENT_VRDP BIT(8)
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/* New mouse position data available. */
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#define VMMDEV_EVENT_MOUSE_POSITION_CHANGED BIT(9)
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/* CPU hotplug event occurred. */
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#define VMMDEV_EVENT_CPU_HOTPLUG BIT(10)
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/* The mask of valid events, for sanity checking. */
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#define VMMDEV_EVENT_VALID_EVENT_MASK 0x000007ffU
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/*
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* Additions are allowed to work only if additions_major == vmmdev_current &&
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* additions_minor <= vmmdev_current. Additions version is reported to host
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* (VMMDev) by VMMDEVREQ_REPORT_GUEST_INFO.
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*/
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#define VMMDEV_VERSION 0x00010004
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#define VMMDEV_VERSION_MAJOR (VMMDEV_VERSION >> 16)
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#define VMMDEV_VERSION_MINOR (VMMDEV_VERSION & 0xffff)
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/* Maximum request packet size. */
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#define VMMDEV_MAX_VMMDEVREQ_SIZE 1048576
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/* Version of vmmdev_request_header structure. */
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#define VMMDEV_REQUEST_HEADER_VERSION 0x10001
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/** struct vmmdev_request_header - Generic VMMDev request header. */
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struct vmmdev_request_header {
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/** IN: Size of the structure in bytes (including body). */
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u32 size;
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/** IN: Version of the structure. */
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u32 version;
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/** IN: Type of the request. */
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enum vmmdev_request_type request_type;
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/** OUT: Return code. */
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s32 rc;
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/** Reserved field no.1. MBZ. */
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u32 reserved1;
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/** IN: Requestor information (VMMDEV_REQUESTOR_*) */
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u32 requestor;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_request_header, 24);
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/**
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* struct vmmdev_mouse_status - Mouse status request structure.
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*
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* Used by VMMDEVREQ_GET_MOUSE_STATUS and VMMDEVREQ_SET_MOUSE_STATUS.
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*/
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struct vmmdev_mouse_status {
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/** header */
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struct vmmdev_request_header header;
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/** Mouse feature mask. See VMMDEV_MOUSE_*. */
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u32 mouse_features;
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/** Mouse x position. */
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s32 pointer_pos_x;
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/** Mouse y position. */
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s32 pointer_pos_y;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_mouse_status, 24 + 12);
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/* The guest can (== wants to) handle absolute coordinates. */
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#define VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE BIT(0)
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/*
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* The host can (== wants to) send absolute coordinates.
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* (Input not captured.)
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*/
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#define VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE BIT(1)
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/*
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* The guest can *NOT* switch to software cursor and therefore depends on the
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* host cursor.
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*
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* When guest additions are installed and the host has promised to display the
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* cursor itself, the guest installs a hardware mouse driver. Don't ask the
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* guest to switch to a software cursor then.
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*/
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#define VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR BIT(2)
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/* The host does NOT provide support for drawing the cursor itself. */
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#define VMMDEV_MOUSE_HOST_CANNOT_HWPOINTER BIT(3)
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/* The guest can read VMMDev events to find out about pointer movement */
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#define VMMDEV_MOUSE_NEW_PROTOCOL BIT(4)
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/*
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* If the guest changes the status of the VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR
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* bit, the host will honour this.
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*/
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#define VMMDEV_MOUSE_HOST_RECHECKS_NEEDS_HOST_CURSOR BIT(5)
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/*
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* The host supplies an absolute pointing device. The Guest Additions may
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* wish to use this to decide whether to install their own driver.
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*/
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#define VMMDEV_MOUSE_HOST_HAS_ABS_DEV BIT(6)
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/* The minimum value our pointing device can return. */
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#define VMMDEV_MOUSE_RANGE_MIN 0
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/* The maximum value our pointing device can return. */
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#define VMMDEV_MOUSE_RANGE_MAX 0xFFFF
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/**
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* struct vmmdev_host_version - VirtualBox host version request structure.
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*
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* VBG uses this to detect the precense of new features in the interface.
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*/
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struct vmmdev_host_version {
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/** Header. */
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struct vmmdev_request_header header;
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/** Major version. */
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u16 major;
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/** Minor version. */
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u16 minor;
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/** Build number. */
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u32 build;
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/** SVN revision. */
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u32 revision;
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/** Feature mask. */
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u32 features;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_host_version, 24 + 16);
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/* Physical page lists are supported by HGCM. */
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#define VMMDEV_HVF_HGCM_PHYS_PAGE_LIST BIT(0)
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/**
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* struct vmmdev_mask - Structure to set / clear bits in a mask used for
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* VMMDEVREQ_SET_GUEST_CAPABILITIES and VMMDEVREQ_CTL_GUEST_FILTER_MASK.
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*/
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struct vmmdev_mask {
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/** Header. */
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struct vmmdev_request_header header;
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/** Mask of bits to be set. */
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u32 or_mask;
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/** Mask of bits to be cleared. */
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u32 not_mask;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_mask, 24 + 8);
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/* The guest supports seamless display rendering. */
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#define VMMDEV_GUEST_SUPPORTS_SEAMLESS BIT(0)
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/* The guest supports mapping guest to host windows. */
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#define VMMDEV_GUEST_SUPPORTS_GUEST_HOST_WINDOW_MAPPING BIT(1)
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/*
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* The guest graphical additions are active.
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* Used for fast activation and deactivation of certain graphical operations
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* (e.g. resizing & seamless). The legacy VMMDEVREQ_REPORT_GUEST_CAPABILITIES
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* request sets this automatically, but VMMDEVREQ_SET_GUEST_CAPABILITIES does
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* not.
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*/
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#define VMMDEV_GUEST_SUPPORTS_GRAPHICS BIT(2)
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/* The mask of valid capabilities, for sanity checking. */
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#define VMMDEV_GUEST_CAPABILITIES_MASK 0x00000007U
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/** struct vmmdev_hypervisorinfo - Hypervisor info structure. */
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struct vmmdev_hypervisorinfo {
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/** Header. */
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struct vmmdev_request_header header;
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/**
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* Guest virtual address of proposed hypervisor start.
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* Not used by VMMDEVREQ_GET_HYPERVISOR_INFO.
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*/
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u32 hypervisor_start;
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/** Hypervisor size in bytes. */
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u32 hypervisor_size;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_hypervisorinfo, 24 + 8);
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/** struct vmmdev_events - Pending events structure. */
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struct vmmdev_events {
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/** Header. */
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struct vmmdev_request_header header;
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/** OUT: Pending event mask. */
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u32 events;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_events, 24 + 4);
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#define VMMDEV_OSTYPE_LINUX26 0x53000
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#define VMMDEV_OSTYPE_X64 BIT(8)
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/** struct vmmdev_guestinfo - Guest information report. */
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struct vmmdev_guest_info {
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/** Header. */
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struct vmmdev_request_header header;
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/**
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* The VMMDev interface version expected by additions.
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* *Deprecated*, do not use anymore! Will be removed.
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*/
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u32 interface_version;
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/** Guest OS type. */
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u32 os_type;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_guest_info, 24 + 8);
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#define VMMDEV_GUEST_INFO2_ADDITIONS_FEATURES_REQUESTOR_INFO BIT(0)
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/** struct vmmdev_guestinfo2 - Guest information report, version 2. */
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struct vmmdev_guest_info2 {
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/** Header. */
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struct vmmdev_request_header header;
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/** Major version. */
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u16 additions_major;
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/** Minor version. */
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u16 additions_minor;
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/** Build number. */
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u32 additions_build;
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/** SVN revision. */
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u32 additions_revision;
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/** Feature mask. */
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u32 additions_features;
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/**
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* The intentional meaning of this field was:
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* Some additional information, for example 'Beta 1' or something like
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* that.
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*
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* The way it was implemented was implemented: VBG_VERSION_STRING.
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*
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* This means the first three members are duplicated in this field (if
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* the guest build config is sane). So, the user must check this and
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* chop it off before usage. There is, because of the Main code's blind
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* trust in the field's content, no way back.
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*/
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char name[128];
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};
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VMMDEV_ASSERT_SIZE(vmmdev_guest_info2, 24 + 144);
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enum vmmdev_guest_facility_type {
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VBOXGUEST_FACILITY_TYPE_UNKNOWN = 0,
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VBOXGUEST_FACILITY_TYPE_VBOXGUEST_DRIVER = 20,
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/* VBoxGINA / VBoxCredProv / pam_vbox. */
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VBOXGUEST_FACILITY_TYPE_AUTO_LOGON = 90,
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VBOXGUEST_FACILITY_TYPE_VBOX_SERVICE = 100,
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/* VBoxTray (Windows), VBoxClient (Linux, Unix). */
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VBOXGUEST_FACILITY_TYPE_VBOX_TRAY_CLIENT = 101,
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VBOXGUEST_FACILITY_TYPE_SEAMLESS = 1000,
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VBOXGUEST_FACILITY_TYPE_GRAPHICS = 1100,
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VBOXGUEST_FACILITY_TYPE_ALL = 0x7ffffffe,
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/* Ensure the enum is a 32 bit data-type */
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VBOXGUEST_FACILITY_TYPE_SIZEHACK = 0x7fffffff
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};
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enum vmmdev_guest_facility_status {
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VBOXGUEST_FACILITY_STATUS_INACTIVE = 0,
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VBOXGUEST_FACILITY_STATUS_PAUSED = 1,
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VBOXGUEST_FACILITY_STATUS_PRE_INIT = 20,
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VBOXGUEST_FACILITY_STATUS_INIT = 30,
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VBOXGUEST_FACILITY_STATUS_ACTIVE = 50,
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VBOXGUEST_FACILITY_STATUS_TERMINATING = 100,
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VBOXGUEST_FACILITY_STATUS_TERMINATED = 101,
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VBOXGUEST_FACILITY_STATUS_FAILED = 800,
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VBOXGUEST_FACILITY_STATUS_UNKNOWN = 999,
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/* Ensure the enum is a 32 bit data-type */
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VBOXGUEST_FACILITY_STATUS_SIZEHACK = 0x7fffffff
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};
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/** struct vmmdev_guest_status - Guest Additions status structure. */
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struct vmmdev_guest_status {
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/** Header. */
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struct vmmdev_request_header header;
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/** Facility the status is indicated for. */
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enum vmmdev_guest_facility_type facility;
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/** Current guest status. */
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enum vmmdev_guest_facility_status status;
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/** Flags, not used at the moment. */
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u32 flags;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_guest_status, 24 + 12);
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#define VMMDEV_MEMORY_BALLOON_CHUNK_SIZE (1048576)
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#define VMMDEV_MEMORY_BALLOON_CHUNK_PAGES (1048576 / 4096)
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/** struct vmmdev_memballoon_info - Memory-balloon info structure. */
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struct vmmdev_memballoon_info {
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/** Header. */
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struct vmmdev_request_header header;
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/** Balloon size in megabytes. */
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u32 balloon_chunks;
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/** Guest ram size in megabytes. */
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u32 phys_mem_chunks;
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/**
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* Setting this to VMMDEV_EVENT_BALLOON_CHANGE_REQUEST indicates that
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* the request is a response to that event.
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* (Don't confuse this with VMMDEVREQ_ACKNOWLEDGE_EVENTS.)
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*/
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u32 event_ack;
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};
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VMMDEV_ASSERT_SIZE(vmmdev_memballoon_info, 24 + 12);
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|
|
/** struct vmmdev_memballoon_change - Change the size of the balloon. */
|
||
|
|
struct vmmdev_memballoon_change {
|
||
|
|
/** Header. */
|
||
|
|
struct vmmdev_request_header header;
|
||
|
|
/** The number of pages in the array. */
|
||
|
|
u32 pages;
|
||
|
|
/** true = inflate, false = deflate. */
|
||
|
|
u32 inflate;
|
||
|
|
/** Physical address (u64) of each page. */
|
||
|
|
u64 phys_page[VMMDEV_MEMORY_BALLOON_CHUNK_PAGES];
|
||
|
|
};
|
||
|
|
|
||
|
|
/** struct vmmdev_write_core_dump - Write Core Dump request data. */
|
||
|
|
struct vmmdev_write_core_dump {
|
||
|
|
/** Header. */
|
||
|
|
struct vmmdev_request_header header;
|
||
|
|
/** Flags (reserved, MBZ). */
|
||
|
|
u32 flags;
|
||
|
|
};
|
||
|
|
VMMDEV_ASSERT_SIZE(vmmdev_write_core_dump, 24 + 4);
|
||
|
|
|
||
|
|
/** struct vmmdev_heartbeat - Heart beat check state structure. */
|
||
|
|
struct vmmdev_heartbeat {
|
||
|
|
/** Header. */
|
||
|
|
struct vmmdev_request_header header;
|
||
|
|
/** OUT: Guest heartbeat interval in nanosec. */
|
||
|
|
u64 interval_ns;
|
||
|
|
/** Heartbeat check flag. */
|
||
|
|
u8 enabled;
|
||
|
|
/** Explicit padding, MBZ. */
|
||
|
|
u8 padding[3];
|
||
|
|
} __packed;
|
||
|
|
VMMDEV_ASSERT_SIZE(vmmdev_heartbeat, 24 + 12);
|
||
|
|
|
||
|
|
#define VMMDEV_HGCM_REQ_DONE BIT(0)
|
||
|
|
#define VMMDEV_HGCM_REQ_CANCELLED BIT(1)
|
||
|
|
|
||
|
|
/** struct vmmdev_hgcmreq_header - vmmdev HGCM requests header. */
|
||
|
|
struct vmmdev_hgcmreq_header {
|
||
|
|
/** Request header. */
|
||
|
|
struct vmmdev_request_header header;
|
||
|
|
|
||
|
|
/** HGCM flags. */
|
||
|
|
u32 flags;
|
||
|
|
|
||
|
|
/** Result code. */
|
||
|
|
s32 result;
|
||
|
|
};
|
||
|
|
VMMDEV_ASSERT_SIZE(vmmdev_hgcmreq_header, 24 + 8);
|
||
|
|
|
||
|
|
/** struct vmmdev_hgcm_connect - HGCM connect request structure. */
|
||
|
|
struct vmmdev_hgcm_connect {
|
||
|
|
/** HGCM request header. */
|
||
|
|
struct vmmdev_hgcmreq_header header;
|
||
|
|
|
||
|
|
/** IN: Description of service to connect to. */
|
||
|
|
struct vmmdev_hgcm_service_location loc;
|
||
|
|
|
||
|
|
/** OUT: Client identifier assigned by local instance of HGCM. */
|
||
|
|
u32 client_id;
|
||
|
|
};
|
||
|
|
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_connect, 32 + 132 + 4);
|
||
|
|
|
||
|
|
/** struct vmmdev_hgcm_disconnect - HGCM disconnect request structure. */
|
||
|
|
struct vmmdev_hgcm_disconnect {
|
||
|
|
/** HGCM request header. */
|
||
|
|
struct vmmdev_hgcmreq_header header;
|
||
|
|
|
||
|
|
/** IN: Client identifier. */
|
||
|
|
u32 client_id;
|
||
|
|
};
|
||
|
|
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_disconnect, 32 + 4);
|
||
|
|
|
||
|
|
#define VMMDEV_HGCM_MAX_PARMS 32
|
||
|
|
|
||
|
|
/** struct vmmdev_hgcm_call - HGCM call request structure. */
|
||
|
|
struct vmmdev_hgcm_call {
|
||
|
|
/* request header */
|
||
|
|
struct vmmdev_hgcmreq_header header;
|
||
|
|
|
||
|
|
/** IN: Client identifier. */
|
||
|
|
u32 client_id;
|
||
|
|
/** IN: Service function number. */
|
||
|
|
u32 function;
|
||
|
|
/** IN: Number of parameters. */
|
||
|
|
u32 parm_count;
|
||
|
|
/** Parameters follow in form: HGCMFunctionParameter32|64 parms[X]; */
|
||
|
|
};
|
||
|
|
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_call, 32 + 12);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct vmmdev_hgcm_cancel2 - HGCM cancel request structure, version 2.
|
||
|
|
*
|
||
|
|
* After the request header.rc will be:
|
||
|
|
*
|
||
|
|
* VINF_SUCCESS when cancelled.
|
||
|
|
* VERR_NOT_FOUND if the specified request cannot be found.
|
||
|
|
* VERR_INVALID_PARAMETER if the address is invalid valid.
|
||
|
|
*/
|
||
|
|
struct vmmdev_hgcm_cancel2 {
|
||
|
|
/** Header. */
|
||
|
|
struct vmmdev_request_header header;
|
||
|
|
/** The physical address of the request to cancel. */
|
||
|
|
u32 phys_req_to_cancel;
|
||
|
|
};
|
||
|
|
VMMDEV_ASSERT_SIZE(vmmdev_hgcm_cancel2, 24 + 4);
|
||
|
|
|
||
|
|
#endif
|