1/*
2 * Copyright (c) 2003-2008 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 * Machine independent per processor data.
30 */
31
32#ifndef _KERN_PROCESSOR_DATA_H_
33#define _KERN_PROCESSOR_DATA_H_
34
35/*
36 * #include kern/processor.h instead of this file.
37 */
38
39#ifdef MACH_KERNEL_PRIVATE
40
41#include <ipc/ipc_kmsg.h>
42#include <kern/timer.h>
43
44struct processor_data {
45	/* Processor state statistics */
46	timer_data_t			idle_state;
47	timer_data_t			system_state;
48	timer_data_t			user_state;
49
50	timer_t					current_state;
51
52	/* Thread execution timers */
53	timer_t					thread_timer;
54	timer_t					kernel_timer;
55
56	/* Kernel stack cache */
57	struct stack_cache {
58		vm_offset_t				free;
59		unsigned int			count;
60	}						stack_cache;
61
62	/* VM event counters */
63	vm_statistics_data_t	vm_stat;
64
65	/* IPC free message cache */
66	struct ikm_cache {
67#define IKM_STASH	16
68		ipc_kmsg_t				entries[IKM_STASH];
69		unsigned int			avail;
70	}						ikm_cache;
71
72	unsigned long			page_grab_count;
73	int						start_color;
74	void					*free_pages;
75};
76
77typedef struct processor_data	processor_data_t;
78
79#define PROCESSOR_DATA(processor, member)	\
80					(processor)->processor_data.member
81
82extern	void	processor_data_init(
83					processor_t		processor);
84
85#endif /* MACH_KERNEL_PRIVATE */
86
87#endif /* _KERN_PROCESSOR_DATA_H_ */
88