1/*
2 * Copyright (c) 2016 Apple Computer, 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#ifndef KPERF_KDEBUG_TRIGGER_H
30#define KPERF_KDEBUG_TRIGGER_H
31
32#include <mach/boolean.h>
33#include <stdint.h>
34
35#define KPERF_KDEBUG_DEBUGIDS_MAX (32)
36
37struct kperf_kdebug_filter;
38
39#define KPERF_KDEBUG_FILTER_SIZE(N_DEBUGIDS) ((2 * sizeof(uint64_t)) + ((N_DEBUGIDS) * sizeof(uint32_t)))
40/* UNSAFE */
41#define KPERF_KDEBUG_N_DEBUGIDS(FILTER_SIZE) \
42 (((FILTER_SIZE) <= (2 * sizeof(uint64_t))) ? 0 : \
43 (((FILTER_SIZE) - (2 * sizeof(uint64_t))) / sizeof(uint32_t)))
44
45int kperf_kdebug_init(void);
46void kperf_kdebug_reset(void);
47
48boolean_t kperf_kdebug_should_trigger(uint32_t debugid);
49
50int kperf_kdebug_set_action(int action_id);
51int kperf_kdebug_get_action(void);
52
53int kperf_kdebug_set_n_debugids(uint32_t n_debugids_in);
54int kperf_kdebug_set_filter(user_addr_t user_filter, uint32_t user_size);
55uint32_t kperf_kdebug_get_filter(struct kperf_kdebug_filter **filter);
56
57#endif /* !defined(KPERF_KDEBUG_TRIGGER_H) */
58