1*8d741a5dSApple OSS Distributions /* 2*8d741a5dSApple OSS Distributions * Copyright (c) 2020 Apple Inc. All rights reserved. 3*8d741a5dSApple OSS Distributions * 4*8d741a5dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*8d741a5dSApple OSS Distributions * 6*8d741a5dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*8d741a5dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*8d741a5dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*8d741a5dSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*8d741a5dSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*8d741a5dSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*8d741a5dSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*8d741a5dSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*8d741a5dSApple OSS Distributions * 15*8d741a5dSApple OSS Distributions * Please obtain a copy of the License at 16*8d741a5dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*8d741a5dSApple OSS Distributions * 18*8d741a5dSApple OSS Distributions * The Original Code and all software distributed under the License are 19*8d741a5dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*8d741a5dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*8d741a5dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*8d741a5dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*8d741a5dSApple OSS Distributions * Please see the License for the specific language governing rights and 24*8d741a5dSApple OSS Distributions * limitations under the License. 25*8d741a5dSApple OSS Distributions * 26*8d741a5dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*8d741a5dSApple OSS Distributions */ 28*8d741a5dSApple OSS Distributions 29*8d741a5dSApple OSS Distributions #ifndef _VSOCK_DOMAIN_H_ 30*8d741a5dSApple OSS Distributions #define _VSOCK_DOMAIN_H_ 31*8d741a5dSApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 32*8d741a5dSApple OSS Distributions 33*8d741a5dSApple OSS Distributions #include <sys/queue.h> 34*8d741a5dSApple OSS Distributions #include <sys/vsock_transport.h> 35*8d741a5dSApple OSS Distributions 36*8d741a5dSApple OSS Distributions /* VSock Protocol Control Block */ 37*8d741a5dSApple OSS Distributions 38*8d741a5dSApple OSS Distributions struct vsockpcb { 39*8d741a5dSApple OSS Distributions TAILQ_ENTRY(vsockpcb) all; 40*8d741a5dSApple OSS Distributions LIST_ENTRY(vsockpcb) bound; 41*8d741a5dSApple OSS Distributions struct socket *so; 42*8d741a5dSApple OSS Distributions struct vsock_address local_address; 43*8d741a5dSApple OSS Distributions struct vsock_address remote_address; 44*8d741a5dSApple OSS Distributions struct vsock_transport *transport; 45*8d741a5dSApple OSS Distributions uint32_t fwd_cnt; 46*8d741a5dSApple OSS Distributions uint32_t tx_cnt; 47*8d741a5dSApple OSS Distributions uint32_t peer_buf_alloc; 48*8d741a5dSApple OSS Distributions uint32_t peer_fwd_cnt; 49*8d741a5dSApple OSS Distributions uint32_t last_buf_alloc; 50*8d741a5dSApple OSS Distributions uint32_t last_fwd_cnt; 51*8d741a5dSApple OSS Distributions size_t waiting_send_size; 52*8d741a5dSApple OSS Distributions vsock_gen_t vsock_gencnt; 53*8d741a5dSApple OSS Distributions }; 54*8d741a5dSApple OSS Distributions 55*8d741a5dSApple OSS Distributions /* VSock Protocol Control Block Info */ 56*8d741a5dSApple OSS Distributions 57*8d741a5dSApple OSS Distributions struct vsockpcbinfo { 58*8d741a5dSApple OSS Distributions // PCB locking. 59*8d741a5dSApple OSS Distributions lck_rw_t all_lock; 60*8d741a5dSApple OSS Distributions lck_rw_t bound_lock; 61*8d741a5dSApple OSS Distributions // PCB lists. 62*8d741a5dSApple OSS Distributions TAILQ_HEAD(, vsockpcb) all; 63*8d741a5dSApple OSS Distributions LIST_HEAD(, vsockpcb) bound; 64*8d741a5dSApple OSS Distributions // Port generation. 65*8d741a5dSApple OSS Distributions uint32_t last_port; 66*8d741a5dSApple OSS Distributions lck_mtx_t port_lock; 67*8d741a5dSApple OSS Distributions // Counts. 68*8d741a5dSApple OSS Distributions uint64_t all_pcb_count; 69*8d741a5dSApple OSS Distributions vsock_gen_t vsock_gencnt; 70*8d741a5dSApple OSS Distributions }; 71*8d741a5dSApple OSS Distributions 72*8d741a5dSApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 73*8d741a5dSApple OSS Distributions #endif /* _VSOCK_DOMAIN_H_ */ 74