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vbox_vmmdev_types.h
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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) 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_GET_DISPLAY_CHANGE_REQ_MULTI = 81, 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, VMMDEVREQ_NT_BUG_CHECK = 221, VMMDEVREQ_VIDEO_UPDATE_MONITOR_POSITIONS = 222, /* 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 /* vmmdev_request_header.requestor defines */ /* Requestor user not given. */ #define VMMDEV_REQUESTOR_USR_NOT_GIVEN 0x00000000 /* The kernel driver (vboxguest) is the requestor. */ #define VMMDEV_REQUESTOR_USR_DRV 0x00000001 /* Some other kernel driver is the requestor. */ #define VMMDEV_REQUESTOR_USR_DRV_OTHER 0x00000002 /* The root or a admin user is the requestor. */ #define VMMDEV_REQUESTOR_USR_ROOT 0x00000003 /* Regular joe user is making the request. */ #define VMMDEV_REQUESTOR_USR_USER 0x00000006 /* User classification mask. */ #define VMMDEV_REQUESTOR_USR_MASK 0x00000007 /* Kernel mode request. Note this is 0, check for !USERMODE instead. */ #define VMMDEV_REQUESTOR_KERNEL 0x00000000 /* User mode request. */ #define VMMDEV_REQUESTOR_USERMODE 0x00000008 /* User or kernel mode classification mask. */ #define VMMDEV_REQUESTOR_MODE_MASK 0x00000008 /* Don't know the physical console association of the requestor. */ #define VMMDEV_REQUESTOR_CON_DONT_KNOW 0x00000000 /* * The request originates with a process that is NOT associated with the * physical console. */ #define VMMDEV_REQUESTOR_CON_NO 0x00000010 /* Requestor process is associated with the physical console. */ #define VMMDEV_REQUESTOR_CON_YES 0x00000020 /* Console classification mask. */ #define VMMDEV_REQUESTOR_CON_MASK 0x00000030 /* Requestor is member of special VirtualBox user group. */ #define VMMDEV_REQUESTOR_GRP_VBOX 0x00000080 /* Note: trust level is for windows guests only, linux always uses not-given */ /* Requestor trust level: Unspecified */ #define VMMDEV_REQUESTOR_TRUST_NOT_GIVEN 0x00000000 /* Requestor trust level: Untrusted (SID S-1-16-0) */ #define VMMDEV_REQUESTOR_TRUST_UNTRUSTED 0x00001000 /* Requestor trust level: Untrusted (SID S-1-16-4096) */ #define VMMDEV_REQUESTOR_TRUST_LOW 0x00002000 /* Requestor trust level: Medium (SID S-1-16-8192) */ #define VMMDEV_REQUESTOR_TRUST_MEDIUM 0x00003000 /* Requestor trust level: Medium plus (SID S-1-16-8448) */ #define VMMDEV_REQUESTOR_TRUST_MEDIUM_PLUS 0x00004000 /* Requestor trust level: High (SID S-1-16-12288) */ #define VMMDEV_REQUESTOR_TRUST_HIGH 0x00005000 /* Requestor trust level: System (SID S-1-16-16384) */ #define VMMDEV_REQUESTOR_TRUST_SYSTEM 0x00006000 /* Requestor trust level >= Protected (SID S-1-16-20480, S-1-16-28672) */ #define VMMDEV_REQUESTOR_TRUST_PROTECTED 0x00007000 /* Requestor trust level mask */ #define VMMDEV_REQUESTOR_TRUST_MASK 0x00007000 /* Requestor is using the less trusted user device node (/dev/vboxuser) */ #define VMMDEV_REQUESTOR_USER_DEVICE 0x00008000 /** 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; } __attribute__((packed)) 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; } __attribute__((packed)) 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. */ union { __u64 unused; /** Deprecated place-holder for first "pages" entry. */ __DECLARE_FLEX_ARRAY(__u64, pages); /** Page addresses. */ }; }; VMMDEV_ASSERT_SIZE(vmmdev_hgcm_pagelist, 4 + 2 + 2 + 8); #endif