1*e3723e1fSApple OSS Distributions /* 2*e3723e1fSApple OSS Distributions * Copyright (c) 2020 Apple Inc. All rights reserved. 3*e3723e1fSApple OSS Distributions * 4*e3723e1fSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*e3723e1fSApple OSS Distributions * 6*e3723e1fSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*e3723e1fSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*e3723e1fSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*e3723e1fSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*e3723e1fSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*e3723e1fSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*e3723e1fSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*e3723e1fSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*e3723e1fSApple OSS Distributions * 15*e3723e1fSApple OSS Distributions * Please obtain a copy of the License at 16*e3723e1fSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*e3723e1fSApple OSS Distributions * 18*e3723e1fSApple OSS Distributions * The Original Code and all software distributed under the License are 19*e3723e1fSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*e3723e1fSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*e3723e1fSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*e3723e1fSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*e3723e1fSApple OSS Distributions * Please see the License for the specific language governing rights and 24*e3723e1fSApple OSS Distributions * limitations under the License. 25*e3723e1fSApple OSS Distributions * 26*e3723e1fSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*e3723e1fSApple OSS Distributions */ 28*e3723e1fSApple OSS Distributions 29*e3723e1fSApple OSS Distributions #ifndef _VSOCK_DOMAIN_H_ 30*e3723e1fSApple OSS Distributions #define _VSOCK_DOMAIN_H_ 31*e3723e1fSApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 32*e3723e1fSApple OSS Distributions 33*e3723e1fSApple OSS Distributions #include <sys/queue.h> 34*e3723e1fSApple OSS Distributions #include <sys/vsock_transport.h> 35*e3723e1fSApple OSS Distributions 36*e3723e1fSApple OSS Distributions /* VSock Protocol Control Block */ 37*e3723e1fSApple OSS Distributions 38*e3723e1fSApple OSS Distributions struct vsockpcb { 39*e3723e1fSApple OSS Distributions TAILQ_ENTRY(vsockpcb) all; 40*e3723e1fSApple OSS Distributions LIST_ENTRY(vsockpcb) bound; 41*e3723e1fSApple OSS Distributions struct socket *so; 42*e3723e1fSApple OSS Distributions struct vsock_address local_address; 43*e3723e1fSApple OSS Distributions struct vsock_address remote_address; 44*e3723e1fSApple OSS Distributions struct vsock_transport *transport; 45*e3723e1fSApple OSS Distributions uint32_t fwd_cnt; 46*e3723e1fSApple OSS Distributions uint32_t tx_cnt; 47*e3723e1fSApple OSS Distributions uint32_t peer_buf_alloc; 48*e3723e1fSApple OSS Distributions uint32_t peer_fwd_cnt; 49*e3723e1fSApple OSS Distributions uint32_t last_buf_alloc; 50*e3723e1fSApple OSS Distributions uint32_t last_fwd_cnt; 51*e3723e1fSApple OSS Distributions size_t waiting_send_size; 52*e3723e1fSApple OSS Distributions vsock_gen_t vsock_gencnt; 53*e3723e1fSApple OSS Distributions }; 54*e3723e1fSApple OSS Distributions 55*e3723e1fSApple OSS Distributions /* VSock Protocol Control Block Info */ 56*e3723e1fSApple OSS Distributions 57*e3723e1fSApple OSS Distributions struct vsockpcbinfo { 58*e3723e1fSApple OSS Distributions // PCB locking. 59*e3723e1fSApple OSS Distributions lck_rw_t all_lock; 60*e3723e1fSApple OSS Distributions lck_rw_t bound_lock; 61*e3723e1fSApple OSS Distributions // PCB lists. 62*e3723e1fSApple OSS Distributions TAILQ_HEAD(, vsockpcb) all; 63*e3723e1fSApple OSS Distributions LIST_HEAD(, vsockpcb) bound; 64*e3723e1fSApple OSS Distributions // Port generation. 65*e3723e1fSApple OSS Distributions uint32_t last_port; 66*e3723e1fSApple OSS Distributions lck_mtx_t port_lock; 67*e3723e1fSApple OSS Distributions // Counts. 68*e3723e1fSApple OSS Distributions uint64_t all_pcb_count; 69*e3723e1fSApple OSS Distributions vsock_gen_t vsock_gencnt; 70*e3723e1fSApple OSS Distributions }; 71*e3723e1fSApple OSS Distributions 72*e3723e1fSApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 73*e3723e1fSApple OSS Distributions #endif /* _VSOCK_DOMAIN_H_ */ 74