1*5c2921b0SApple OSS Distributions /* 2*5c2921b0SApple OSS Distributions * Copyright (c) 2020 Apple Inc. All rights reserved. 3*5c2921b0SApple OSS Distributions * 4*5c2921b0SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*5c2921b0SApple OSS Distributions * 6*5c2921b0SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*5c2921b0SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*5c2921b0SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*5c2921b0SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*5c2921b0SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*5c2921b0SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*5c2921b0SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*5c2921b0SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*5c2921b0SApple OSS Distributions * 15*5c2921b0SApple OSS Distributions * Please obtain a copy of the License at 16*5c2921b0SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*5c2921b0SApple OSS Distributions * 18*5c2921b0SApple OSS Distributions * The Original Code and all software distributed under the License are 19*5c2921b0SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*5c2921b0SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*5c2921b0SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*5c2921b0SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*5c2921b0SApple OSS Distributions * Please see the License for the specific language governing rights and 24*5c2921b0SApple OSS Distributions * limitations under the License. 25*5c2921b0SApple OSS Distributions * 26*5c2921b0SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*5c2921b0SApple OSS Distributions */ 28*5c2921b0SApple OSS Distributions 29*5c2921b0SApple OSS Distributions #ifndef _VSOCK_DOMAIN_H_ 30*5c2921b0SApple OSS Distributions #define _VSOCK_DOMAIN_H_ 31*5c2921b0SApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 32*5c2921b0SApple OSS Distributions 33*5c2921b0SApple OSS Distributions #include <sys/queue.h> 34*5c2921b0SApple OSS Distributions #include <sys/vsock_transport.h> 35*5c2921b0SApple OSS Distributions 36*5c2921b0SApple OSS Distributions /* VSock Protocol Control Block */ 37*5c2921b0SApple OSS Distributions 38*5c2921b0SApple OSS Distributions struct vsockpcb { 39*5c2921b0SApple OSS Distributions TAILQ_ENTRY(vsockpcb) all; 40*5c2921b0SApple OSS Distributions LIST_ENTRY(vsockpcb) bound; 41*5c2921b0SApple OSS Distributions struct socket *so; 42*5c2921b0SApple OSS Distributions struct vsock_address local_address; 43*5c2921b0SApple OSS Distributions struct vsock_address remote_address; 44*5c2921b0SApple OSS Distributions struct vsock_transport *transport; 45*5c2921b0SApple OSS Distributions uint32_t fwd_cnt; 46*5c2921b0SApple OSS Distributions uint32_t tx_cnt; 47*5c2921b0SApple OSS Distributions uint32_t peer_buf_alloc; 48*5c2921b0SApple OSS Distributions uint32_t peer_fwd_cnt; 49*5c2921b0SApple OSS Distributions uint32_t last_buf_alloc; 50*5c2921b0SApple OSS Distributions uint32_t last_fwd_cnt; 51*5c2921b0SApple OSS Distributions size_t waiting_send_size; 52*5c2921b0SApple OSS Distributions vsock_gen_t vsock_gencnt; 53*5c2921b0SApple OSS Distributions }; 54*5c2921b0SApple OSS Distributions 55*5c2921b0SApple OSS Distributions /* VSock Protocol Control Block Info */ 56*5c2921b0SApple OSS Distributions 57*5c2921b0SApple OSS Distributions struct vsockpcbinfo { 58*5c2921b0SApple OSS Distributions // PCB locking. 59*5c2921b0SApple OSS Distributions lck_rw_t all_lock; 60*5c2921b0SApple OSS Distributions lck_rw_t bound_lock; 61*5c2921b0SApple OSS Distributions // PCB lists. 62*5c2921b0SApple OSS Distributions TAILQ_HEAD(, vsockpcb) all; 63*5c2921b0SApple OSS Distributions LIST_HEAD(, vsockpcb) bound; 64*5c2921b0SApple OSS Distributions // Port generation. 65*5c2921b0SApple OSS Distributions uint32_t last_port; 66*5c2921b0SApple OSS Distributions lck_mtx_t port_lock; 67*5c2921b0SApple OSS Distributions // Counts. 68*5c2921b0SApple OSS Distributions uint64_t all_pcb_count; 69*5c2921b0SApple OSS Distributions vsock_gen_t vsock_gencnt; 70*5c2921b0SApple OSS Distributions }; 71*5c2921b0SApple OSS Distributions 72*5c2921b0SApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 73*5c2921b0SApple OSS Distributions #endif /* _VSOCK_DOMAIN_H_ */ 74