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-rw-r--r--include/uapi/linux/vboxguest.h330
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diff --git a/include/uapi/linux/vboxguest.h b/include/uapi/linux/vboxguest.h
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index 000000000000..612f0c7d3558
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+++ b/include/uapi/linux/vboxguest.h
@@ -0,0 +1,330 @@
+/* SPDX-License-Identifier: (GPL-2.0 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 0x10001
+/* 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 0x00010000u
+
+/**
+ * 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 _IOC(_IOC_READ | _IOC_WRITE, 'V', 3, 0)
+
+
+/** 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 1KB 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) _IOC(_IOC_READ | _IOC_WRITE, 'V', 9, s)
+
+
+/** 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_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