Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.

1 files changed, 330 insertions, 330 deletions

diff --git a/contrib/libs/linux-headers/linux/vboxguest.h b/contrib/libs/linux-headers/linux/vboxguest.h
index 57055f1b2b..9cec58a6a5 100644
--- a/contrib/libs/linux-headers/linux/vboxguest.h
+++ b/contrib/libs/linux-headers/linux/vboxguest.h
@@ -1,330 +1,330 @@
-/* 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		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 
+/* 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		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