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 Software.Distribution@CS.CMU.EDU |
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 | |