/* * 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_TRANSPORT_H_ #define _VSOCK_TRANSPORT_H_ #ifdef KERNEL_PRIVATE #include <sys/cdefs.h> __BEGIN_DECLS #include <sys/queue.h> #include <sys/kernel_types.h> #include <sys/vsock.h> #define VSOCK_MAX_PACKET_SIZE 65536 enum vsock_operation { VSOCK_REQUEST = 0, VSOCK_RESPONSE = 1, VSOCK_PAYLOAD = 2, VSOCK_SHUTDOWN = 3, VSOCK_SHUTDOWN_RECEIVE = 4, VSOCK_SHUTDOWN_SEND = 5, VSOCK_RESET = 6, VSOCK_CREDIT_UPDATE = 7, VSOCK_CREDIT_REQUEST = 8, }; struct vsock_address { uint32_t cid; uint32_t port; }; struct vsock_transport { void *provider; int (*get_cid)(void *provider, uint32_t *cid); int (*attach_socket)(void *provider); int (*detach_socket)(void *provider); int (*put_message)(void *provider, struct vsock_address src, struct vsock_address dst, enum vsock_operation op, uint32_t buf_alloc, uint32_t fwd_cnt, mbuf_t m); }; extern int vsock_add_transport(struct vsock_transport *transport); extern int vsock_remove_transport(struct vsock_transport *transport); extern int vsock_reset_transport(struct vsock_transport *transport); extern int vsock_put_message(struct vsock_address src, struct vsock_address dst, enum vsock_operation op, uint32_t buf_alloc, uint32_t fwd_cnt, mbuf_t m); __END_DECLS #endif /* KERNEL_PRIVATE */ #endif /* _VSOCK_TRANSPORT_H_ */