1/*
2 * Copyright (c) 2003-2007 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,
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23 * Please see the License for the specific language governing rights and
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27 */
28
29#ifndef _I386_CHUD_XNU_PRIVATE_H_
30#define _I386_CHUD_XNU_PRIVATE_H_
31
32#include <kern/queue.h>
33
34#if 0
35#pragma mark **** cpu timer ****
36#endif
37
38/*
39 * Cross-cpu signal request entries are queued on the target cpu's
40 * chudcpu_data_t struct. This differs from PPC because i386 doesn't
41 * support sending arguments with cross-cpu signals. Hence we have
42 * to do it ourselves.
43 */
44typedef struct {
45	struct queue_entry req_entry;	/* Must be first */
46	uint32_t req_type;
47	uint32_t req_code;
48	volatile uint32_t req_sync;
49} chudcpu_signal_request_t;
50
51typedef struct {
52	void					*cpu_chud_fn_tablep;
53	timer_call_data_t		cpu_timer_call;
54	uint64_t				t_deadline;
55	chudxnu_cpu_timer_callback_func_t	cpu_timer_callback_fn;
56	mpqueue_head_t			cpu_request_queue;
57} chudcpu_data_t;
58/* NB: cpu_chud_fn_tablep is expected to be the first member, at offset 0 */
59
60extern void chudxnu_cpu_signal_handler(void);
61
62#endif /* _I386_CHUD_XNU_PRIVATE_H_ */
63