1 /* 2 * Copyright (c) 2000-2019 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* 29 * @OSF_COPYRIGHT@ 30 */ 31 /* 32 * Mach Operating System 33 * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or [email protected] 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56 57 /* 58 * kern/host.h 59 * 60 * Definitions for host data structures. 61 * 62 */ 63 64 #ifndef _KERN_HOST_H_ 65 #define _KERN_HOST_H_ 66 67 #include <mach/mach_types.h> 68 #include <sys/cdefs.h> 69 70 #ifdef MACH_KERNEL_PRIVATE 71 72 #include <kern/locks.h> 73 #include <kern/exception.h> 74 #include <mach/exception_types.h> 75 #include <mach/host_special_ports.h> 76 #include <kern/kern_types.h> 77 #include <mach/vm_statistics.h> 78 79 struct host { 80 decl_lck_mtx_data(, lock); /* lock to protect exceptions */ 81 ipc_port_t XNU_PTRAUTH_SIGNED_PTR("host.special") special[HOST_MAX_SPECIAL_PORT + 1]; 82 struct exception_action exc_actions[EXC_TYPES_COUNT]; 83 }; 84 85 typedef struct host host_data_t; 86 87 extern host_data_t realhost; 88 89 #define host_lock(host) lck_mtx_lock(&(host)->lock) 90 #define host_unlock(host) lck_mtx_unlock(&(host)->lock) 91 92 extern vm_extmod_statistics_data_t host_extmod_statistics; 93 94 typedef struct { 95 uint64_t total_user_time; 96 uint64_t total_system_time; 97 uint64_t task_interrupt_wakeups; 98 uint64_t task_platform_idle_wakeups; 99 uint64_t task_timer_wakeups_bin_1; 100 uint64_t task_timer_wakeups_bin_2; 101 uint64_t total_ptime; 102 uint64_t total_pset_switches; 103 uint64_t task_gpu_ns; 104 uint64_t task_energy; 105 } expired_task_statistics_t; 106 107 extern expired_task_statistics_t dead_task_statistics; 108 109 extern kern_return_t host_set_special_port(host_priv_t host_priv, int id, ipc_port_t port); 110 extern kern_return_t host_get_special_port(host_priv_t host_priv, 111 __unused int node, int id, ipc_port_t * portp); 112 113 #endif /* MACH_KERNEL_PRIVATE */ 114 115 /* 116 * Access routines for inside the kernel. 117 */ 118 119 __BEGIN_DECLS 120 121 extern host_t host_self(void); 122 extern host_priv_t host_priv_self(void); 123 124 __END_DECLS 125 126 #endif /* _KERN_HOST_H_ */ 127