1/*
2 * Copyright (c) 2020 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29#ifndef _VSOCK_H_
30#define _VSOCK_H_
31
32#include <sys/cdefs.h>
33
34__BEGIN_DECLS
35
36#include <sys/_types/_sa_family_t.h>
37#include <sys/ucred.h>
38#include <sys/socketvar.h>
39
40#define VMADDR_CID_ANY (-1U)
41#define VMADDR_CID_HYPERVISOR 0
42#define VMADDR_CID_RESERVED 1
43#define VMADDR_CID_HOST 2
44
45#define VMADDR_PORT_ANY (-1U)
46
47#define IOCTL_VM_SOCKETS_GET_LOCAL_CID _IOR('s', 209, uint32_t)
48
49struct sockaddr_vm {
50 __uint8_t svm_len; /* total length */
51 sa_family_t svm_family; /* Address family: AF_VSOCK */
52 __uint16_t svm_reserved1;
53 __uint32_t svm_port; /* Port # in host byte order */
54 __uint32_t svm_cid; /* Address in host byte order */
55} __attribute__((__packed__));
56
57typedef u_quad_t vsock_gen_t;
58
59struct xvsockpcb {
60 u_int32_t xv_len; /* length of this structure */
61 u_int64_t xv_vsockpp;
62 u_int32_t xvp_local_cid; /* local address cid */
63 u_int32_t xvp_local_port; /* local address port */
64 u_int32_t xvp_remote_cid; /* remote address cid */
65 u_int32_t xvp_remote_port; /* remote address port */
66 u_int32_t xvp_rxcnt; /* bytes received */
67 u_int32_t xvp_txcnt; /* bytes transmitted */
68 u_int32_t xvp_peer_rxhiwat; /* peer's receive buffer */
69 u_int32_t xvp_peer_rxcnt; /* bytes received by peer */
70 pid_t xvp_last_pid; /* last pid */
71 vsock_gen_t xvp_gencnt; /* vsock generation count */
72 struct xsocket xv_socket;
73};
74
75struct xvsockpgen {
76 u_int32_t xvg_len; /* length of this structure */
77 u_int64_t xvg_count; /* number of PCBs at this time */
78 vsock_gen_t xvg_gen; /* generation count at this time */
79 so_gen_t xvg_sogen; /* current socket generation count */
80};
81
82__END_DECLS
83
84#endif /* _VSOCK_H_ */
85