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_DOMAIN_H_ 30*0f4c859eSApple OSS Distributions #define _VSOCK_DOMAIN_H_ 31*0f4c859eSApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 32*0f4c859eSApple OSS Distributions 33*0f4c859eSApple OSS Distributions #include <sys/queue.h> 34*0f4c859eSApple OSS Distributions #include <sys/vsock_transport.h> 35*0f4c859eSApple OSS Distributions 36*0f4c859eSApple OSS Distributions /* VSock Protocol Control Block */ 37*0f4c859eSApple OSS Distributions 38*0f4c859eSApple OSS Distributions struct vsockpcb { 39*0f4c859eSApple OSS Distributions TAILQ_ENTRY(vsockpcb) all; 40*0f4c859eSApple OSS Distributions LIST_ENTRY(vsockpcb) bound; 41*0f4c859eSApple OSS Distributions struct socket *so; 42*0f4c859eSApple OSS Distributions struct vsock_address local_address; 43*0f4c859eSApple OSS Distributions struct vsock_address remote_address; 44*0f4c859eSApple OSS Distributions struct vsock_transport *transport; 45*0f4c859eSApple OSS Distributions uint32_t fwd_cnt; 46*0f4c859eSApple OSS Distributions uint32_t tx_cnt; 47*0f4c859eSApple OSS Distributions uint32_t peer_buf_alloc; 48*0f4c859eSApple OSS Distributions uint32_t peer_fwd_cnt; 49*0f4c859eSApple OSS Distributions uint32_t last_buf_alloc; 50*0f4c859eSApple OSS Distributions uint32_t last_fwd_cnt; 51*0f4c859eSApple OSS Distributions size_t waiting_send_size; 52*0f4c859eSApple OSS Distributions vsock_gen_t vsock_gencnt; 53*0f4c859eSApple OSS Distributions }; 54*0f4c859eSApple OSS Distributions 55*0f4c859eSApple OSS Distributions /* VSock Protocol Control Block Info */ 56*0f4c859eSApple OSS Distributions 57*0f4c859eSApple OSS Distributions struct vsockpcbinfo { 58*0f4c859eSApple OSS Distributions // PCB locking. 59*0f4c859eSApple OSS Distributions lck_rw_t all_lock; 60*0f4c859eSApple OSS Distributions lck_rw_t bound_lock; 61*0f4c859eSApple OSS Distributions // PCB lists. 62*0f4c859eSApple OSS Distributions TAILQ_HEAD(, vsockpcb) all; 63*0f4c859eSApple OSS Distributions LIST_HEAD(, vsockpcb) bound; 64*0f4c859eSApple OSS Distributions // Port generation. 65*0f4c859eSApple OSS Distributions uint32_t last_port; 66*0f4c859eSApple OSS Distributions lck_mtx_t port_lock; 67*0f4c859eSApple OSS Distributions // Counts. 68*0f4c859eSApple OSS Distributions uint64_t all_pcb_count; 69*0f4c859eSApple OSS Distributions vsock_gen_t vsock_gencnt; 70*0f4c859eSApple OSS Distributions }; 71*0f4c859eSApple OSS Distributions 72*0f4c859eSApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 73*0f4c859eSApple OSS Distributions #endif /* _VSOCK_DOMAIN_H_ */ 74