1*0f4c859eSApple OSS Distributions /* 2*0f4c859eSApple OSS Distributions * Copyright (c) 2020 Apple Inc. All rights reserved. 3*0f4c859eSApple OSS Distributions * 4*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*0f4c859eSApple OSS Distributions * 6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*0f4c859eSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*0f4c859eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*0f4c859eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*0f4c859eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*0f4c859eSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*0f4c859eSApple OSS Distributions * 15*0f4c859eSApple OSS Distributions * Please obtain a copy of the License at 16*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*0f4c859eSApple OSS Distributions * 18*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are 19*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and 24*0f4c859eSApple OSS Distributions * limitations under the License. 25*0f4c859eSApple OSS Distributions * 26*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*0f4c859eSApple OSS Distributions */ 28*0f4c859eSApple OSS Distributions 29*0f4c859eSApple OSS Distributions #ifndef _VSOCK_TRANSPORT_H_ 30*0f4c859eSApple OSS Distributions #define _VSOCK_TRANSPORT_H_ 31*0f4c859eSApple OSS Distributions #ifdef KERNEL_PRIVATE 32*0f4c859eSApple OSS Distributions 33*0f4c859eSApple OSS Distributions #include <sys/cdefs.h> 34*0f4c859eSApple OSS Distributions 35*0f4c859eSApple OSS Distributions __BEGIN_DECLS 36*0f4c859eSApple OSS Distributions 37*0f4c859eSApple OSS Distributions #include <sys/queue.h> 38*0f4c859eSApple OSS Distributions #include <sys/kernel_types.h> 39*0f4c859eSApple OSS Distributions #include <sys/vsock.h> 40*0f4c859eSApple OSS Distributions 41*0f4c859eSApple OSS Distributions #define VSOCK_MAX_PACKET_SIZE 65536 42*0f4c859eSApple OSS Distributions 43*0f4c859eSApple OSS Distributions enum vsock_operation { 44*0f4c859eSApple OSS Distributions VSOCK_REQUEST = 0, 45*0f4c859eSApple OSS Distributions VSOCK_RESPONSE = 1, 46*0f4c859eSApple OSS Distributions VSOCK_PAYLOAD = 2, 47*0f4c859eSApple OSS Distributions VSOCK_SHUTDOWN = 3, 48*0f4c859eSApple OSS Distributions VSOCK_SHUTDOWN_RECEIVE = 4, 49*0f4c859eSApple OSS Distributions VSOCK_SHUTDOWN_SEND = 5, 50*0f4c859eSApple OSS Distributions VSOCK_RESET = 6, 51*0f4c859eSApple OSS Distributions VSOCK_CREDIT_UPDATE = 7, 52*0f4c859eSApple OSS Distributions VSOCK_CREDIT_REQUEST = 8, 53*0f4c859eSApple OSS Distributions }; 54*0f4c859eSApple OSS Distributions 55*0f4c859eSApple OSS Distributions struct vsock_address { 56*0f4c859eSApple OSS Distributions uint32_t cid; 57*0f4c859eSApple OSS Distributions uint32_t port; 58*0f4c859eSApple OSS Distributions }; 59*0f4c859eSApple OSS Distributions 60*0f4c859eSApple OSS Distributions struct vsock_transport { 61*0f4c859eSApple OSS Distributions void *provider; 62*0f4c859eSApple OSS Distributions int (*get_cid)(void *provider, uint32_t *cid); 63*0f4c859eSApple OSS Distributions int (*attach_socket)(void *provider); 64*0f4c859eSApple OSS Distributions int (*detach_socket)(void *provider); 65*0f4c859eSApple OSS Distributions int (*put_message)(void *provider, struct vsock_address src, struct vsock_address dst, 66*0f4c859eSApple OSS Distributions enum vsock_operation op, uint32_t buf_alloc, uint32_t fwd_cnt, mbuf_t m); 67*0f4c859eSApple OSS Distributions }; 68*0f4c859eSApple OSS Distributions 69*0f4c859eSApple OSS Distributions extern int vsock_add_transport(struct vsock_transport *transport); 70*0f4c859eSApple OSS Distributions extern int vsock_remove_transport(struct vsock_transport *transport); 71*0f4c859eSApple OSS Distributions extern int vsock_reset_transport(struct vsock_transport *transport); 72*0f4c859eSApple OSS Distributions extern int vsock_put_message(struct vsock_address src, struct vsock_address dst, 73*0f4c859eSApple OSS Distributions enum vsock_operation op, uint32_t buf_alloc, uint32_t fwd_cnt, mbuf_t m); 74*0f4c859eSApple OSS Distributions 75*0f4c859eSApple OSS Distributions __END_DECLS 76*0f4c859eSApple OSS Distributions 77*0f4c859eSApple OSS Distributions #endif /* KERNEL_PRIVATE */ 78*0f4c859eSApple OSS Distributions #endif /* _VSOCK_TRANSPORT_H_ */ 79