xnu-7195.50.7.100.1.tar.gz

[apple/xnu.git] / bsd / sys / vsock.h

diff --git a/bsd/sys/vsock.h b/bsd/sys/vsock.h
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+/*
+ * Copyright (c) 2020 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#ifndef _VSOCK_H_
+#define _VSOCK_H_
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#include <sys/_types/_sa_family_t.h>
+#include <sys/ucred.h>
+#include <sys/socketvar.h>
+
+#define VMADDR_CID_ANY (-1U)
+#define VMADDR_CID_HYPERVISOR 0
+#define VMADDR_CID_RESERVED 1
+#define VMADDR_CID_HOST 2
+
+#define VMADDR_PORT_ANY (-1U)
+
+#define IOCTL_VM_SOCKETS_GET_LOCAL_CID _IOR('s',  209, uint32_t)
+
+struct sockaddr_vm {
+       __uint8_t      svm_len;        /* total length */
+       sa_family_t    svm_family;     /* Address family: AF_VSOCK */
+       __uint16_t     svm_reserved1;
+       __uint32_t     svm_port;       /* Port # in host byte order */
+       __uint32_t     svm_cid;        /* Address in host byte order */
+} __attribute__((__packed__));
+
+typedef u_quad_t vsock_gen_t;
+
+struct xvsockpcb {
+       u_int32_t      xv_len;            /* length of this structure */
+       u_int64_t      xv_vsockpp;
+       u_int32_t      xvp_local_cid;     /* local address cid */
+       u_int32_t      xvp_local_port;    /* local address port */
+       u_int32_t      xvp_remote_cid;    /* remote address cid */
+       u_int32_t      xvp_remote_port;   /* remote address port */
+       u_int32_t      xvp_rxcnt;         /* bytes received */
+       u_int32_t      xvp_txcnt;         /* bytes transmitted */
+       u_int32_t      xvp_peer_rxhiwat;  /* peer's receive buffer */
+       u_int32_t      xvp_peer_rxcnt;    /* bytes received by peer */
+       pid_t          xvp_last_pid;      /* last pid */
+       vsock_gen_t    xvp_gencnt;        /* vsock generation count */
+       struct xsocket xv_socket;
+};
+
+struct  xvsockpgen {
+       u_int32_t      xvg_len;      /* length of this structure */
+       u_int64_t      xvg_count;    /* number of PCBs at this time */
+       vsock_gen_t    xvg_gen;      /* generation count at this time */
+       so_gen_t       xvg_sogen;    /* current socket generation count */
+};
+
+__END_DECLS
+
+#endif /* _VSOCK_H_ */