-
Notifications
You must be signed in to change notification settings - Fork 377
/
vio_sockets.h
158 lines (124 loc) · 5.68 KB
/
vio_sockets.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*
* Core definitions for virtio VSOCK address family,
* based on linux/vm_sockets.h
*
* Copyright (c) 2019 Virtuozzo International GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met :
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution.
* 3. Neither the names of the copyright holders nor the names of their contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _VIO_SOCKETS_H
#define _VIO_SOCKETS_H
#ifdef _MSC_VER
#pragma once
#endif //_MSC_VER
#include <ws2def.h>
#ifndef _WINSOCK2API_
#define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
#define IOC_VOID 0x20000000 /* no parameters */
#define IOC_OUT 0x40000000 /* copy out parameters */
#define IOC_IN 0x80000000 /* copy in parameters */
#define _IOR(x,y,t) (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define _IOW(x,y,t) (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
#define FIONREAD _IOR('f', 127, ULONG) /* get # bytes to read */
#define FIONBIO _IOW('f', 126, ULONG) /* set/clear non-blocking i/o */
#define IOC_WS2 0x08000000
#define _WSAIO(x,y) (IOC_VOID|(x)|(y))
#define _WSAIOR(x,y) (IOC_OUT|(x)|(y))
#define SIO_ADDRESS_LIST_QUERY _WSAIOR(IOC_WS2,22)
#define SIO_ADDRESS_LIST_CHANGE _WSAIO(IOC_WS2,23)
#endif
#define VIOSOCK_NAME L"\\??\\Viosock"
#ifdef _WINBASE_
#ifndef IOCTL_GET_AF
#define IOCTL_GET_AF 0x0801300C
#endif
__inline
ADDRESS_FAMILY
ViosockGetAF()
{
DWORD dwAF = AF_UNSPEC;
HANDLE hDevice = CreateFileW(VIOSOCK_NAME, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hDevice != INVALID_HANDLE_VALUE)
{
DWORD dwReturned;
if (!DeviceIoControl(hDevice, IOCTL_GET_AF, NULL, 0, &dwAF, sizeof(dwAF),&dwReturned, NULL))
dwAF = AF_UNSPEC;
CloseHandle(hDevice);
}
return (ADDRESS_FAMILY)dwAF;
}
#endif
/* Option name for STREAM socket buffer size. Use as the option name in
* setsockopt or getsockopt to set or get an unsigned long long that
* specifies the size of the buffer underlying a vSockets STREAM socket.
* Value is clamped to the MIN and MAX.
*/
#define SO_VM_SOCKETS_BUFFER_SIZE 0x6000
/* Option name for STREAM socket minimum buffer size. Use as the option name
* in setsockopt or getsockopt to set or get an unsigned long long that
* specifies the minimum size allowed for the buffer underlying a vSockets
* STREAM socket.
*/
#define SO_VM_SOCKETS_BUFFER_MIN_SIZE 0x6001
/* Option name for STREAM socket maximum buffer size. Use as the option name
* in setsockopt or getsockopt to set or get an unsigned long long
* that specifies the maximum size allowed for the buffer underlying a
* vSockets STREAM socket.
*/
#define SO_VM_SOCKETS_BUFFER_MAX_SIZE 0x6002
/* Option name for STREAM socket connection timeout. Use as the option name
* in setsockopt(3) or getsockopt(3) to set or get the connection
* timeout for a STREAM socket.
*/
#define SO_VM_SOCKETS_CONNECT_TIMEOUT 0x6006
/* Any address for binding, equivalent of INADDR_ANY. This works for the svm_cid field of
* sockaddr_vm and indicates the context ID of the current endpoint.
*/
#define VMADDR_CID_ANY (-1)
/* Bind to any available port. Works for the svm_port field of sockaddr_vm. */
#define VMADDR_PORT_ANY (-1)
/* Use this as the destination CID in an address when referring to the hypervisor.*/
#define VMADDR_CID_HYPERVISOR 0
/* Reserved, must not be used. */
#define VMADDR_CID_RESERVED 1
/* Use this as the destination CID in an address when referring to the host
* (any process other than the hypervisor).
*/
#define VMADDR_CID_HOST 2
/* Address structure for virtio vsockets. The address family should be set to
* AF_VSOCK. The structure members should all align on their natural
* boundaries without resorting to compiler packing directives.
*/
typedef struct sockaddr_vm
{
ADDRESS_FAMILY svm_family; /* Address family: AF_VSOCK */
USHORT svm_reserved1;
UINT svm_port; /* Port # in host byte order */
UINT svm_cid; /* Address in host byte order */
}SOCKADDR_VM, *PSOCKADDR_VM;
#define IOCTL_VM_SOCKETS_GET_LOCAL_CID _IO(7, 0xb9)
#define STATUS_NOT_SOCKET ((NTSTATUS)0xE0040001L)
#define STATUS_CONNECTION_ESTABLISHING ((NTSTATUS)0xE0040002L)
#endif /* _VIO_SOCKETS_H */